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Finding the Fourth Proportional to 6,471.90, 8,925.99 and 4,346.79

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Solution

The fourth proportional to 6,471.90, 8,925.99 and 4,346.79 is: 5,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.90 : 8,925.99 = 4,346.79 : x
  2. Step 2: Convert to fraction form
    6,471.90/8,925.99 = 4,346.79/x
  3. Step 3: Cross multiply
    6,471.90x = 8,925.99 × 4,346.79
  4. Step 4: Simplify right side
    6,471.90x = 38,799,404.07
  5. Step 5: Solve for x
    x = 38,799,404.07/6,471.90
  6. Step 6: Final answer
    x = 5,995.06

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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.