Home / 7,271.91-10,913.36-5,329.17

Finding the Fourth Proportional to 7,271.91, 10,913.36 and 5,329.17

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Solution

The fourth proportional to 7,271.91, 10,913.36 and 5,329.17 is: 7,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.91 : 10,913.36 = 5,329.17 : x
  2. Step 2: Convert to fraction form
    7,271.91/10,913.36 = 5,329.17/x
  3. Step 3: Cross multiply
    7,271.91x = 10,913.36 × 5,329.17
  4. Step 4: Simplify right side
    7,271.91x = 58,159,124.07
  5. Step 5: Solve for x
    x = 58,159,124.07/7,271.91
  6. Step 6: Final answer
    x = 7,997.78

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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.