Home / 5,785.32-8,678.39-2,862.84

Finding the Fourth Proportional to 5,785.32, 8,678.39 and 2,862.84

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Solution

The fourth proportional to 5,785.32, 8,678.39 and 2,862.84 is: 4,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.32 : 8,678.39 = 2,862.84 : x
  2. Step 2: Convert to fraction form
    5,785.32/8,678.39 = 2,862.84/x
  3. Step 3: Cross multiply
    5,785.32x = 8,678.39 × 2,862.84
  4. Step 4: Simplify right side
    5,785.32x = 24,844,876.36
  5. Step 5: Solve for x
    x = 24,844,876.36/5,785.32
  6. Step 6: Final answer
    x = 4,294.47

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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.