Home / 7,280.29-10,921.79-4,817.17

Finding the Fourth Proportional to 7,280.29, 10,921.79 and 4,817.17

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Solution

The fourth proportional to 7,280.29, 10,921.79 and 4,817.17 is: 7,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.29 : 10,921.79 = 4,817.17 : x
  2. Step 2: Convert to fraction form
    7,280.29/10,921.79 = 4,817.17/x
  3. Step 3: Cross multiply
    7,280.29x = 10,921.79 × 4,817.17
  4. Step 4: Simplify right side
    7,280.29x = 52,612,119.13
  5. Step 5: Solve for x
    x = 52,612,119.13/7,280.29
  6. Step 6: Final answer
    x = 7,226.65

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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.