Home / 8,281.64-11,429.22-4,555.88

Finding the Fourth Proportional to 8,281.64, 11,429.22 and 4,555.88

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Solution

The fourth proportional to 8,281.64, 11,429.22 and 4,555.88 is: 6,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.64 : 11,429.22 = 4,555.88 : x
  2. Step 2: Convert to fraction form
    8,281.64/11,429.22 = 4,555.88/x
  3. Step 3: Cross multiply
    8,281.64x = 11,429.22 × 4,555.88
  4. Step 4: Simplify right side
    8,281.64x = 52,070,154.81
  5. Step 5: Solve for x
    x = 52,070,154.81/8,281.64
  6. Step 6: Final answer
    x = 6,287.42

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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.