Home / 4,988.95-7,483.49-2,391.28

Finding the Fourth Proportional to 4,988.95, 7,483.49 and 2,391.28

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Solution

The fourth proportional to 4,988.95, 7,483.49 and 2,391.28 is: 3,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.95 : 7,483.49 = 2,391.28 : x
  2. Step 2: Convert to fraction form
    4,988.95/7,483.49 = 2,391.28/x
  3. Step 3: Cross multiply
    4,988.95x = 7,483.49 × 2,391.28
  4. Step 4: Simplify right side
    4,988.95x = 17,895,098.27
  5. Step 5: Solve for x
    x = 17,895,098.27/4,988.95
  6. Step 6: Final answer
    x = 3,586.95

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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.