Home / 9,320.64-13,980.96-3,397.97

Finding the Fourth Proportional to 9,320.64, 13,980.96 and 3,397.97

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Solution

The fourth proportional to 9,320.64, 13,980.96 and 3,397.97 is: 5,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.64 : 13,980.96 = 3,397.97 : x
  2. Step 2: Convert to fraction form
    9,320.64/13,980.96 = 3,397.97/x
  3. Step 3: Cross multiply
    9,320.64x = 13,980.96 × 3,397.97
  4. Step 4: Simplify right side
    9,320.64x = 47,506,930.35
  5. Step 5: Solve for x
    x = 47,506,930.35/9,320.64
  6. Step 6: Final answer
    x = 5,096.96

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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.