Home / 7,689.34-11,538.60-3,306.70

Finding the Fourth Proportional to 7,689.34, 11,538.60 and 3,306.70

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Solution

The fourth proportional to 7,689.34, 11,538.60 and 3,306.70 is: 4,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.34 : 11,538.60 = 3,306.70 : x
  2. Step 2: Convert to fraction form
    7,689.34/11,538.60 = 3,306.70/x
  3. Step 3: Cross multiply
    7,689.34x = 11,538.60 × 3,306.70
  4. Step 4: Simplify right side
    7,689.34x = 38,154,688.62
  5. Step 5: Solve for x
    x = 38,154,688.62/7,689.34
  6. Step 6: Final answer
    x = 4,962.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.