Home / 8,767.48-12,099.12-4,990.46

Finding the Fourth Proportional to 8,767.48, 12,099.12 and 4,990.46

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Solution

The fourth proportional to 8,767.48, 12,099.12 and 4,990.46 is: 6,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.48 : 12,099.12 = 4,990.46 : x
  2. Step 2: Convert to fraction form
    8,767.48/12,099.12 = 4,990.46/x
  3. Step 3: Cross multiply
    8,767.48x = 12,099.12 × 4,990.46
  4. Step 4: Simplify right side
    8,767.48x = 60,380,191.31
  5. Step 5: Solve for x
    x = 60,380,191.31/8,767.48
  6. Step 6: Final answer
    x = 6,886.84

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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.