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Finding the Fourth Proportional to 6,937.91, 9,567.60 and 5,875.60

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Solution

The fourth proportional to 6,937.91, 9,567.60 and 5,875.60 is: 8,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.91 : 9,567.60 = 5,875.60 : x
  2. Step 2: Convert to fraction form
    6,937.91/9,567.60 = 5,875.60/x
  3. Step 3: Cross multiply
    6,937.91x = 9,567.60 × 5,875.60
  4. Step 4: Simplify right side
    6,937.91x = 56,215,344.61
  5. Step 5: Solve for x
    x = 56,215,344.61/6,937.91
  6. Step 6: Final answer
    x = 8,102.63

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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.