Home / 8,575.08-12,859.21-3,307.15

Finding the Fourth Proportional to 8,575.08, 12,859.21 and 3,307.15

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Solution

The fourth proportional to 8,575.08, 12,859.21 and 3,307.15 is: 4,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.08 : 12,859.21 = 3,307.15 : x
  2. Step 2: Convert to fraction form
    8,575.08/12,859.21 = 3,307.15/x
  3. Step 3: Cross multiply
    8,575.08x = 12,859.21 × 3,307.15
  4. Step 4: Simplify right side
    8,575.08x = 42,527,336.35
  5. Step 5: Solve for x
    x = 42,527,336.35/8,575.08
  6. Step 6: Final answer
    x = 4,959.41

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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.