Home / 8,575.20-12,859.20-2,730.24

Finding the Fourth Proportional to 8,575.20, 12,859.20 and 2,730.24

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Solution

The fourth proportional to 8,575.20, 12,859.20 and 2,730.24 is: 4,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.20 : 12,859.20 = 2,730.24 : x
  2. Step 2: Convert to fraction form
    8,575.20/12,859.20 = 2,730.24/x
  3. Step 3: Cross multiply
    8,575.20x = 12,859.20 × 2,730.24
  4. Step 4: Simplify right side
    8,575.20x = 35,108,702.21
  5. Step 5: Solve for x
    x = 35,108,702.21/8,575.20
  6. Step 6: Final answer
    x = 4,094.21

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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.