Home / 8,920.16-13,393.20-6,587.36

Finding the Fourth Proportional to 8,920.16, 13,393.20 and 6,587.36

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Solution

The fourth proportional to 8,920.16, 13,393.20 and 6,587.36 is: 9,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.16 : 13,393.20 = 6,587.36 : x
  2. Step 2: Convert to fraction form
    8,920.16/13,393.20 = 6,587.36/x
  3. Step 3: Cross multiply
    8,920.16x = 13,393.20 × 6,587.36
  4. Step 4: Simplify right side
    8,920.16x = 88,225,829.95
  5. Step 5: Solve for x
    x = 88,225,829.95/8,920.16
  6. Step 6: Final answer
    x = 9,890.61

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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.