Home / 8,260.28-11,397.60-4,722.72

Finding the Fourth Proportional to 8,260.28, 11,397.60 and 4,722.72

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Solution

The fourth proportional to 8,260.28, 11,397.60 and 4,722.72 is: 6,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.28 : 11,397.60 = 4,722.72 : x
  2. Step 2: Convert to fraction form
    8,260.28/11,397.60 = 4,722.72/x
  3. Step 3: Cross multiply
    8,260.28x = 11,397.60 × 4,722.72
  4. Step 4: Simplify right side
    8,260.28x = 53,827,673.47
  5. Step 5: Solve for x
    x = 53,827,673.47/8,260.28
  6. Step 6: Final answer
    x = 6,516.45

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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.