Home / 5,260.31-7,248.25-3,578.79

Finding the Fourth Proportional to 5,260.31, 7,248.25 and 3,578.79

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Solution

The fourth proportional to 5,260.31, 7,248.25 and 3,578.79 is: 4,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.31 : 7,248.25 = 3,578.79 : x
  2. Step 2: Convert to fraction form
    5,260.31/7,248.25 = 3,578.79/x
  3. Step 3: Cross multiply
    5,260.31x = 7,248.25 × 3,578.79
  4. Step 4: Simplify right side
    5,260.31x = 25,939,964.62
  5. Step 5: Solve for x
    x = 25,939,964.62/5,260.31
  6. Step 6: Final answer
    x = 4,931.26

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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.