Home / 7,218.18-10,828.80-2,287.17

Finding the Fourth Proportional to 7,218.18, 10,828.80 and 2,287.17

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Solution

The fourth proportional to 7,218.18, 10,828.80 and 2,287.17 is: 3,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.18 : 10,828.80 = 2,287.17 : x
  2. Step 2: Convert to fraction form
    7,218.18/10,828.80 = 2,287.17/x
  3. Step 3: Cross multiply
    7,218.18x = 10,828.80 × 2,287.17
  4. Step 4: Simplify right side
    7,218.18x = 24,767,306.50
  5. Step 5: Solve for x
    x = 24,767,306.50/7,218.18
  6. Step 6: Final answer
    x = 3,431.24

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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.