Home / 7,340.14-10,132.84-4,921.62

Finding the Fourth Proportional to 7,340.14, 10,132.84 and 4,921.62

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Solution

The fourth proportional to 7,340.14, 10,132.84 and 4,921.62 is: 6,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.14 : 10,132.84 = 4,921.62 : x
  2. Step 2: Convert to fraction form
    7,340.14/10,132.84 = 4,921.62/x
  3. Step 3: Cross multiply
    7,340.14x = 10,132.84 × 4,921.62
  4. Step 4: Simplify right side
    7,340.14x = 49,869,988.00
  5. Step 5: Solve for x
    x = 49,869,988.00/7,340.14
  6. Step 6: Final answer
    x = 6,794.15

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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.