Home / 4,721.62-6,517.60-4,055.80

Finding the Fourth Proportional to 4,721.62, 6,517.60 and 4,055.80

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Solution

The fourth proportional to 4,721.62, 6,517.60 and 4,055.80 is: 5,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.62 : 6,517.60 = 4,055.80 : x
  2. Step 2: Convert to fraction form
    4,721.62/6,517.60 = 4,055.80/x
  3. Step 3: Cross multiply
    4,721.62x = 6,517.60 × 4,055.80
  4. Step 4: Simplify right side
    4,721.62x = 26,434,082.08
  5. Step 5: Solve for x
    x = 26,434,082.08/4,721.62
  6. Step 6: Final answer
    x = 5,598.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.