Home / 9,088.28-12,541.76-5,109.36

Finding the Fourth Proportional to 9,088.28, 12,541.76 and 5,109.36

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Solution

The fourth proportional to 9,088.28, 12,541.76 and 5,109.36 is: 7,050.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.28 : 12,541.76 = 5,109.36 : x
  2. Step 2: Convert to fraction form
    9,088.28/12,541.76 = 5,109.36/x
  3. Step 3: Cross multiply
    9,088.28x = 12,541.76 × 5,109.36
  4. Step 4: Simplify right side
    9,088.28x = 64,080,366.87
  5. Step 5: Solve for x
    x = 64,080,366.87/9,088.28
  6. Step 6: Final answer
    x = 7,050.88

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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.