Home / 4,862.12-7,282.74-2,085.18

Finding the Fourth Proportional to 4,862.12, 7,282.74 and 2,085.18

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Solution

The fourth proportional to 4,862.12, 7,282.74 and 2,085.18 is: 3,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.12 : 7,282.74 = 2,085.18 : x
  2. Step 2: Convert to fraction form
    4,862.12/7,282.74 = 2,085.18/x
  3. Step 3: Cross multiply
    4,862.12x = 7,282.74 × 2,085.18
  4. Step 4: Simplify right side
    4,862.12x = 15,185,823.79
  5. Step 5: Solve for x
    x = 15,185,823.79/4,862.12
  6. Step 6: Final answer
    x = 3,123.29

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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.