Home / 4,851.04-7,276.56-1,388.28

Finding the Fourth Proportional to 4,851.04, 7,276.56 and 1,388.28

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Solution

The fourth proportional to 4,851.04, 7,276.56 and 1,388.28 is: 2,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.04 : 7,276.56 = 1,388.28 : x
  2. Step 2: Convert to fraction form
    4,851.04/7,276.56 = 1,388.28/x
  3. Step 3: Cross multiply
    4,851.04x = 7,276.56 × 1,388.28
  4. Step 4: Simplify right side
    4,851.04x = 10,101,902.72
  5. Step 5: Solve for x
    x = 10,101,902.72/4,851.04
  6. Step 6: Final answer
    x = 2,082.42

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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.