Home / 8,064.40-11,128.88-4,527.62

Finding the Fourth Proportional to 8,064.40, 11,128.88 and 4,527.62

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Solution

The fourth proportional to 8,064.40, 11,128.88 and 4,527.62 is: 6,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.40 : 11,128.88 = 4,527.62 : x
  2. Step 2: Convert to fraction form
    8,064.40/11,128.88 = 4,527.62/x
  3. Step 3: Cross multiply
    8,064.40x = 11,128.88 × 4,527.62
  4. Step 4: Simplify right side
    8,064.40x = 50,387,339.67
  5. Step 5: Solve for x
    x = 50,387,339.67/8,064.40
  6. Step 6: Final answer
    x = 6,248.12

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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.