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Finding the Fourth Proportional to 6,250.57, 9,373.12 and 5,640.03

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Solution

The fourth proportional to 6,250.57, 9,373.12 and 5,640.03 is: 8,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.57 : 9,373.12 = 5,640.03 : x
  2. Step 2: Convert to fraction form
    6,250.57/9,373.12 = 5,640.03/x
  3. Step 3: Cross multiply
    6,250.57x = 9,373.12 × 5,640.03
  4. Step 4: Simplify right side
    6,250.57x = 52,864,663.89
  5. Step 5: Solve for x
    x = 52,864,663.89/6,250.57
  6. Step 6: Final answer
    x = 8,457.58

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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.