Home / 5,314.56-7,970-1,851.04

Finding the Fourth Proportional to 5,314.56, 7,970 and 1,851.04

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Solution

The fourth proportional to 5,314.56, 7,970 and 1,851.04 is: 2,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.56 : 7,970 = 1,851.04 : x
  2. Step 2: Convert to fraction form
    5,314.56/7,970 = 1,851.04/x
  3. Step 3: Cross multiply
    5,314.56x = 7,970 × 1,851.04
  4. Step 4: Simplify right side
    5,314.56x = 14,752,788.80
  5. Step 5: Solve for x
    x = 14,752,788.80/5,314.56
  6. Step 6: Final answer
    x = 2,775.92

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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.