Home / 7,107.20-10,665.84-2,490.24

Finding the Fourth Proportional to 7,107.20, 10,665.84 and 2,490.24

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Solution

The fourth proportional to 7,107.20, 10,665.84 and 2,490.24 is: 3,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.20 : 10,665.84 = 2,490.24 : x
  2. Step 2: Convert to fraction form
    7,107.20/10,665.84 = 2,490.24/x
  3. Step 3: Cross multiply
    7,107.20x = 10,665.84 × 2,490.24
  4. Step 4: Simplify right side
    7,107.20x = 26,560,501.40
  5. Step 5: Solve for x
    x = 26,560,501.40/7,107.20
  6. Step 6: Final answer
    x = 3,737.13

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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.