Home / 8,765.05-12,096.06-4,988.13

Finding the Fourth Proportional to 8,765.05, 12,096.06 and 4,988.13

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Solution

The fourth proportional to 8,765.05, 12,096.06 and 4,988.13 is: 6,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.05 : 12,096.06 = 4,988.13 : x
  2. Step 2: Convert to fraction form
    8,765.05/12,096.06 = 4,988.13/x
  3. Step 3: Cross multiply
    8,765.05x = 12,096.06 × 4,988.13
  4. Step 4: Simplify right side
    8,765.05x = 60,336,719.77
  5. Step 5: Solve for x
    x = 60,336,719.77/8,765.05
  6. Step 6: Final answer
    x = 6,883.79

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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.