Home / 8,397.28-11,589.54-4,812.34

Finding the Fourth Proportional to 8,397.28, 11,589.54 and 4,812.34

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Solution

The fourth proportional to 8,397.28, 11,589.54 and 4,812.34 is: 6,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.28 : 11,589.54 = 4,812.34 : x
  2. Step 2: Convert to fraction form
    8,397.28/11,589.54 = 4,812.34/x
  3. Step 3: Cross multiply
    8,397.28x = 11,589.54 × 4,812.34
  4. Step 4: Simplify right side
    8,397.28x = 55,772,806.92
  5. Step 5: Solve for x
    x = 55,772,806.92/8,397.28
  6. Step 6: Final answer
    x = 6,641.77

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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.