Home / 9,050.50-12,489.28-5,071.58

Finding the Fourth Proportional to 9,050.50, 12,489.28 and 5,071.58

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Solution

The fourth proportional to 9,050.50, 12,489.28 and 5,071.58 is: 6,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.50 : 12,489.28 = 5,071.58 : x
  2. Step 2: Convert to fraction form
    9,050.50/12,489.28 = 5,071.58/x
  3. Step 3: Cross multiply
    9,050.50x = 12,489.28 × 5,071.58
  4. Step 4: Simplify right side
    9,050.50x = 63,340,382.66
  5. Step 5: Solve for x
    x = 63,340,382.66/9,050.50
  6. Step 6: Final answer
    x = 6,998.55

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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.