Home / 8,370.47-12,555.70-3,176.34

Finding the Fourth Proportional to 8,370.47, 12,555.70 and 3,176.34

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Solution

The fourth proportional to 8,370.47, 12,555.70 and 3,176.34 is: 4,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.47 : 12,555.70 = 3,176.34 : x
  2. Step 2: Convert to fraction form
    8,370.47/12,555.70 = 3,176.34/x
  3. Step 3: Cross multiply
    8,370.47x = 12,555.70 × 3,176.34
  4. Step 4: Simplify right side
    8,370.47x = 39,881,172.14
  5. Step 5: Solve for x
    x = 39,881,172.14/8,370.47
  6. Step 6: Final answer
    x = 4,764.51

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.