Home / 7,333.81-10,134.08-5,340.90

Finding the Fourth Proportional to 7,333.81, 10,134.08 and 5,340.90

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Solution

The fourth proportional to 7,333.81, 10,134.08 and 5,340.90 is: 7,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.81 : 10,134.08 = 5,340.90 : x
  2. Step 2: Convert to fraction form
    7,333.81/10,134.08 = 5,340.90/x
  3. Step 3: Cross multiply
    7,333.81x = 10,134.08 × 5,340.90
  4. Step 4: Simplify right side
    7,333.81x = 54,125,107.87
  5. Step 5: Solve for x
    x = 54,125,107.87/7,333.81
  6. Step 6: Final answer
    x = 7,380.22

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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.