Home / 9,475.17-13,075.25-5,282.61

Finding the Fourth Proportional to 9,475.17, 13,075.25 and 5,282.61

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Solution

The fourth proportional to 9,475.17, 13,075.25 and 5,282.61 is: 7,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475.17 : 13,075.25 = 5,282.61 : x
  2. Step 2: Convert to fraction form
    9,475.17/13,075.25 = 5,282.61/x
  3. Step 3: Cross multiply
    9,475.17x = 13,075.25 × 5,282.61
  4. Step 4: Simplify right side
    9,475.17x = 69,071,446.40
  5. Step 5: Solve for x
    x = 69,071,446.40/9,475.17
  6. Step 6: Final answer
    x = 7,289.73

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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.