Home / 8,666.24-11,955.17-5,680.76

Finding the Fourth Proportional to 8,666.24, 11,955.17 and 5,680.76

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Solution

The fourth proportional to 8,666.24, 11,955.17 and 5,680.76 is: 7,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.24 : 11,955.17 = 5,680.76 : x
  2. Step 2: Convert to fraction form
    8,666.24/11,955.17 = 5,680.76/x
  3. Step 3: Cross multiply
    8,666.24x = 11,955.17 × 5,680.76
  4. Step 4: Simplify right side
    8,666.24x = 67,914,405.96
  5. Step 5: Solve for x
    x = 67,914,405.96/8,666.24
  6. Step 6: Final answer
    x = 7,836.67

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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.