Home / 8,339.08-12,557.20-6,163

Finding the Fourth Proportional to 8,339.08, 12,557.20 and 6,163

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Solution

The fourth proportional to 8,339.08, 12,557.20 and 6,163 is: 9,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.08 : 12,557.20 = 6,163 : x
  2. Step 2: Convert to fraction form
    8,339.08/12,557.20 = 6,163/x
  3. Step 3: Cross multiply
    8,339.08x = 12,557.20 × 6,163
  4. Step 4: Simplify right side
    8,339.08x = 77,390,023.60
  5. Step 5: Solve for x
    x = 77,390,023.60/8,339.08
  6. Step 6: Final answer
    x = 9,280.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.