Home / 7,243.10-10,864.65-5,015.90

Finding the Fourth Proportional to 7,243.10, 10,864.65 and 5,015.90

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Solution

The fourth proportional to 7,243.10, 10,864.65 and 5,015.90 is: 7,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.10 : 10,864.65 = 5,015.90 : x
  2. Step 2: Convert to fraction form
    7,243.10/10,864.65 = 5,015.90/x
  3. Step 3: Cross multiply
    7,243.10x = 10,864.65 × 5,015.90
  4. Step 4: Simplify right side
    7,243.10x = 54,495,997.94
  5. Step 5: Solve for x
    x = 54,495,997.94/7,243.10
  6. Step 6: Final answer
    x = 7,523.85

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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.