Home / 4,851.02-7,279.50-1,928.90

Finding the Fourth Proportional to 4,851.02, 7,279.50 and 1,928.90

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Solution

The fourth proportional to 4,851.02, 7,279.50 and 1,928.90 is: 2,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.02 : 7,279.50 = 1,928.90 : x
  2. Step 2: Convert to fraction form
    4,851.02/7,279.50 = 1,928.90/x
  3. Step 3: Cross multiply
    4,851.02x = 7,279.50 × 1,928.90
  4. Step 4: Simplify right side
    4,851.02x = 14,041,427.55
  5. Step 5: Solve for x
    x = 14,041,427.55/4,851.02
  6. Step 6: Final answer
    x = 2,894.53

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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.