Home / 8,134.47-11,217.51-4,948.20

Finding the Fourth Proportional to 8,134.47, 11,217.51 and 4,948.20

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Solution

The fourth proportional to 8,134.47, 11,217.51 and 4,948.20 is: 6,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.47 : 11,217.51 = 4,948.20 : x
  2. Step 2: Convert to fraction form
    8,134.47/11,217.51 = 4,948.20/x
  3. Step 3: Cross multiply
    8,134.47x = 11,217.51 × 4,948.20
  4. Step 4: Simplify right side
    8,134.47x = 55,506,482.98
  5. Step 5: Solve for x
    x = 55,506,482.98/8,134.47
  6. Step 6: Final answer
    x = 6,823.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.