Home / 7,515.02-10,370.30-4,157.62

Finding the Fourth Proportional to 7,515.02, 10,370.30 and 4,157.62

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Solution

The fourth proportional to 7,515.02, 10,370.30 and 4,157.62 is: 5,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.02 : 10,370.30 = 4,157.62 : x
  2. Step 2: Convert to fraction form
    7,515.02/10,370.30 = 4,157.62/x
  3. Step 3: Cross multiply
    7,515.02x = 10,370.30 × 4,157.62
  4. Step 4: Simplify right side
    7,515.02x = 43,115,766.69
  5. Step 5: Solve for x
    x = 43,115,766.69/7,515.02
  6. Step 6: Final answer
    x = 5,737.28

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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.