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Finding the Fourth Proportional to 7,473.88, 10,313.95 and 4,331.89

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Solution

The fourth proportional to 7,473.88, 10,313.95 and 4,331.89 is: 5,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.88 : 10,313.95 = 4,331.89 : x
  2. Step 2: Convert to fraction form
    7,473.88/10,313.95 = 4,331.89/x
  3. Step 3: Cross multiply
    7,473.88x = 10,313.95 × 4,331.89
  4. Step 4: Simplify right side
    7,473.88x = 44,678,845.30
  5. Step 5: Solve for x
    x = 44,678,845.30/7,473.88
  6. Step 6: Final answer
    x = 5,978.00

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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.