Home / 5,700.24-7,866.60-3,215.76

Finding the Fourth Proportional to 5,700.24, 7,866.60 and 3,215.76

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Solution

The fourth proportional to 5,700.24, 7,866.60 and 3,215.76 is: 4,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.24 : 7,866.60 = 3,215.76 : x
  2. Step 2: Convert to fraction form
    5,700.24/7,866.60 = 3,215.76/x
  3. Step 3: Cross multiply
    5,700.24x = 7,866.60 × 3,215.76
  4. Step 4: Simplify right side
    5,700.24x = 25,297,097.62
  5. Step 5: Solve for x
    x = 25,297,097.62/5,700.24
  6. Step 6: Final answer
    x = 4,437.90

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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.