Home / 8,607.26-12,886.56-5,479.52

Finding the Fourth Proportional to 8,607.26, 12,886.56 and 5,479.52

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Solution

The fourth proportional to 8,607.26, 12,886.56 and 5,479.52 is: 8,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.26 : 12,886.56 = 5,479.52 : x
  2. Step 2: Convert to fraction form
    8,607.26/12,886.56 = 5,479.52/x
  3. Step 3: Cross multiply
    8,607.26x = 12,886.56 × 5,479.52
  4. Step 4: Simplify right side
    8,607.26x = 70,612,163.25
  5. Step 5: Solve for x
    x = 70,612,163.25/8,607.26
  6. Step 6: Final answer
    x = 8,203.79

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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.