Home / 8,613.46-11,886.42-5,028.76

Finding the Fourth Proportional to 8,613.46, 11,886.42 and 5,028.76

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Solution

The fourth proportional to 8,613.46, 11,886.42 and 5,028.76 is: 6,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.46 : 11,886.42 = 5,028.76 : x
  2. Step 2: Convert to fraction form
    8,613.46/11,886.42 = 5,028.76/x
  3. Step 3: Cross multiply
    8,613.46x = 11,886.42 × 5,028.76
  4. Step 4: Simplify right side
    8,613.46x = 59,773,953.44
  5. Step 5: Solve for x
    x = 59,773,953.44/8,613.46
  6. Step 6: Final answer
    x = 6,939.60

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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.