Home / 5,021.60-6,927.76-3,621.28

Finding the Fourth Proportional to 5,021.60, 6,927.76 and 3,621.28

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Solution

The fourth proportional to 5,021.60, 6,927.76 and 3,621.28 is: 4,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.60 : 6,927.76 = 3,621.28 : x
  2. Step 2: Convert to fraction form
    5,021.60/6,927.76 = 3,621.28/x
  3. Step 3: Cross multiply
    5,021.60x = 6,927.76 × 3,621.28
  4. Step 4: Simplify right side
    5,021.60x = 25,087,358.73
  5. Step 5: Solve for x
    x = 25,087,358.73/5,021.60
  6. Step 6: Final answer
    x = 4,995.89

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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.