Home / 7,972.30-11,010.94-5,315.08

Finding the Fourth Proportional to 7,972.30, 11,010.94 and 5,315.08

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Solution

The fourth proportional to 7,972.30, 11,010.94 and 5,315.08 is: 7,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.30 : 11,010.94 = 5,315.08 : x
  2. Step 2: Convert to fraction form
    7,972.30/11,010.94 = 5,315.08/x
  3. Step 3: Cross multiply
    7,972.30x = 11,010.94 × 5,315.08
  4. Step 4: Simplify right side
    7,972.30x = 58,524,026.98
  5. Step 5: Solve for x
    x = 58,524,026.98/7,972.30
  6. Step 6: Final answer
    x = 7,340.92

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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.