Home / 8,689.32-13,031.24-2,844.59

Finding the Fourth Proportional to 8,689.32, 13,031.24 and 2,844.59

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Solution

The fourth proportional to 8,689.32, 13,031.24 and 2,844.59 is: 4,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.32 : 13,031.24 = 2,844.59 : x
  2. Step 2: Convert to fraction form
    8,689.32/13,031.24 = 2,844.59/x
  3. Step 3: Cross multiply
    8,689.32x = 13,031.24 × 2,844.59
  4. Step 4: Simplify right side
    8,689.32x = 37,068,455.61
  5. Step 5: Solve for x
    x = 37,068,455.61/8,689.32
  6. Step 6: Final answer
    x = 4,265.98

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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.