Home / 5,340.48-7,359.84-4,159.68

Finding the Fourth Proportional to 5,340.48, 7,359.84 and 4,159.68

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Solution

The fourth proportional to 5,340.48, 7,359.84 and 4,159.68 is: 5,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.48 : 7,359.84 = 4,159.68 : x
  2. Step 2: Convert to fraction form
    5,340.48/7,359.84 = 4,159.68/x
  3. Step 3: Cross multiply
    5,340.48x = 7,359.84 × 4,159.68
  4. Step 4: Simplify right side
    5,340.48x = 30,614,579.25
  5. Step 5: Solve for x
    x = 30,614,579.25/5,340.48
  6. Step 6: Final answer
    x = 5,732.55

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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.