Home / 8,064.32-11,128.80-4,527.68

Finding the Fourth Proportional to 8,064.32, 11,128.80 and 4,527.68

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Solution

The fourth proportional to 8,064.32, 11,128.80 and 4,527.68 is: 6,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.32 : 11,128.80 = 4,527.68 : x
  2. Step 2: Convert to fraction form
    8,064.32/11,128.80 = 4,527.68/x
  3. Step 3: Cross multiply
    8,064.32x = 11,128.80 × 4,527.68
  4. Step 4: Simplify right side
    8,064.32x = 50,387,645.18
  5. Step 5: Solve for x
    x = 50,387,645.18/8,064.32
  6. Step 6: Final answer
    x = 6,248.22

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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.