Home / 5,785.20-8,677.60-1,625.20

Finding the Fourth Proportional to 5,785.20, 8,677.60 and 1,625.20

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Solution

The fourth proportional to 5,785.20, 8,677.60 and 1,625.20 is: 2,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.20 : 8,677.60 = 1,625.20 : x
  2. Step 2: Convert to fraction form
    5,785.20/8,677.60 = 1,625.20/x
  3. Step 3: Cross multiply
    5,785.20x = 8,677.60 × 1,625.20
  4. Step 4: Simplify right side
    5,785.20x = 14,102,835.52
  5. Step 5: Solve for x
    x = 14,102,835.52/5,785.20
  6. Step 6: Final answer
    x = 2,437.74

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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.