Home / 5,069.20-7,605.12-2,990.92

Finding the Fourth Proportional to 5,069.20, 7,605.12 and 2,990.92

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Solution

The fourth proportional to 5,069.20, 7,605.12 and 2,990.92 is: 4,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.20 : 7,605.12 = 2,990.92 : x
  2. Step 2: Convert to fraction form
    5,069.20/7,605.12 = 2,990.92/x
  3. Step 3: Cross multiply
    5,069.20x = 7,605.12 × 2,990.92
  4. Step 4: Simplify right side
    5,069.20x = 22,746,305.51
  5. Step 5: Solve for x
    x = 22,746,305.51/5,069.20
  6. Step 6: Final answer
    x = 4,487.16

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1.5x scale

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.