Home / 8,989.65-13,484.61-3,443.28

Finding the Fourth Proportional to 8,989.65, 13,484.61 and 3,443.28

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Solution

The fourth proportional to 8,989.65, 13,484.61 and 3,443.28 is: 5,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.65 : 13,484.61 = 3,443.28 : x
  2. Step 2: Convert to fraction form
    8,989.65/13,484.61 = 3,443.28/x
  3. Step 3: Cross multiply
    8,989.65x = 13,484.61 × 3,443.28
  4. Step 4: Simplify right side
    8,989.65x = 46,431,275.01
  5. Step 5: Solve for x
    x = 46,431,275.01/8,989.65
  6. Step 6: Final answer
    x = 5,164.97

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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.