Home / 7,572.42-10,449.96-4,215.54

Finding the Fourth Proportional to 7,572.42, 10,449.96 and 4,215.54

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Solution

The fourth proportional to 7,572.42, 10,449.96 and 4,215.54 is: 5,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.42 : 10,449.96 = 4,215.54 : x
  2. Step 2: Convert to fraction form
    7,572.42/10,449.96 = 4,215.54/x
  3. Step 3: Cross multiply
    7,572.42x = 10,449.96 × 4,215.54
  4. Step 4: Simplify right side
    7,572.42x = 44,052,224.38
  5. Step 5: Solve for x
    x = 44,052,224.38/7,572.42
  6. Step 6: Final answer
    x = 5,817.46

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Half scale
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Double scale
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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.