Home / 8,908.95-12,294.68-5,765.14

Finding the Fourth Proportional to 8,908.95, 12,294.68 and 5,765.14

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Solution

The fourth proportional to 8,908.95, 12,294.68 and 5,765.14 is: 7,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.95 : 12,294.68 = 5,765.14 : x
  2. Step 2: Convert to fraction form
    8,908.95/12,294.68 = 5,765.14/x
  3. Step 3: Cross multiply
    8,908.95x = 12,294.68 × 5,765.14
  4. Step 4: Simplify right side
    8,908.95x = 70,880,551.46
  5. Step 5: Solve for x
    x = 70,880,551.46/8,908.95
  6. Step 6: Final answer
    x = 7,956.11

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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.