Home / 5,785.52-8,678.28-2,860.88

Finding the Fourth Proportional to 5,785.52, 8,678.28 and 2,860.88

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Solution

The fourth proportional to 5,785.52, 8,678.28 and 2,860.88 is: 4,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.52 : 8,678.28 = 2,860.88 : x
  2. Step 2: Convert to fraction form
    5,785.52/8,678.28 = 2,860.88/x
  3. Step 3: Cross multiply
    5,785.52x = 8,678.28 × 2,860.88
  4. Step 4: Simplify right side
    5,785.52x = 24,827,517.69
  5. Step 5: Solve for x
    x = 24,827,517.69/5,785.52
  6. Step 6: Final answer
    x = 4,291.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.