Home / 5,398.47-7,449.84-3,040.65

Finding the Fourth Proportional to 5,398.47, 7,449.84 and 3,040.65

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Solution

The fourth proportional to 5,398.47, 7,449.84 and 3,040.65 is: 4,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.47 : 7,449.84 = 3,040.65 : x
  2. Step 2: Convert to fraction form
    5,398.47/7,449.84 = 3,040.65/x
  3. Step 3: Cross multiply
    5,398.47x = 7,449.84 × 3,040.65
  4. Step 4: Simplify right side
    5,398.47x = 22,652,356.00
  5. Step 5: Solve for x
    x = 22,652,356.00/5,398.47
  6. Step 6: Final answer
    x = 4,196.07

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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.