Home / 7,329.17-10,115.79-4,972.07

Finding the Fourth Proportional to 7,329.17, 10,115.79 and 4,972.07

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Solution

The fourth proportional to 7,329.17, 10,115.79 and 4,972.07 is: 6,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.17 : 10,115.79 = 4,972.07 : x
  2. Step 2: Convert to fraction form
    7,329.17/10,115.79 = 4,972.07/x
  3. Step 3: Cross multiply
    7,329.17x = 10,115.79 × 4,972.07
  4. Step 4: Simplify right side
    7,329.17x = 50,296,415.99
  5. Step 5: Solve for x
    x = 50,296,415.99/7,329.17
  6. Step 6: Final answer
    x = 6,862.50

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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.