Home / 4,851.48-7,278.60-2,078.30

Finding the Fourth Proportional to 4,851.48, 7,278.60 and 2,078.30

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Solution

The fourth proportional to 4,851.48, 7,278.60 and 2,078.30 is: 3,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.48 : 7,278.60 = 2,078.30 : x
  2. Step 2: Convert to fraction form
    4,851.48/7,278.60 = 2,078.30/x
  3. Step 3: Cross multiply
    4,851.48x = 7,278.60 × 2,078.30
  4. Step 4: Simplify right side
    4,851.48x = 15,127,114.38
  5. Step 5: Solve for x
    x = 15,127,114.38/4,851.48
  6. Step 6: Final answer
    x = 3,118.04

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1.5x scale

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.