Home / 7,229.79-9,969.17-4,707.25

Finding the Fourth Proportional to 7,229.79, 9,969.17 and 4,707.25

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Solution

The fourth proportional to 7,229.79, 9,969.17 and 4,707.25 is: 6,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.79 : 9,969.17 = 4,707.25 : x
  2. Step 2: Convert to fraction form
    7,229.79/9,969.17 = 4,707.25/x
  3. Step 3: Cross multiply
    7,229.79x = 9,969.17 × 4,707.25
  4. Step 4: Simplify right side
    7,229.79x = 46,927,327.02
  5. Step 5: Solve for x
    x = 46,927,327.02/7,229.79
  6. Step 6: Final answer
    x = 6,490.83

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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.