Home / 8,432.38-11,634.66-5,447.62

Finding the Fourth Proportional to 8,432.38, 11,634.66 and 5,447.62

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Solution

The fourth proportional to 8,432.38, 11,634.66 and 5,447.62 is: 7,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.38 : 11,634.66 = 5,447.62 : x
  2. Step 2: Convert to fraction form
    8,432.38/11,634.66 = 5,447.62/x
  3. Step 3: Cross multiply
    8,432.38x = 11,634.66 × 5,447.62
  4. Step 4: Simplify right side
    8,432.38x = 63,381,206.51
  5. Step 5: Solve for x
    x = 63,381,206.51/8,432.38
  6. Step 6: Final answer
    x = 7,516.41

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Half scale
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Double scale
Find fourth proportional to 8,433.38, 11,636.04 and 5,448.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.