Home / 5,478.57-7,559.87-3,240.01

Finding the Fourth Proportional to 5,478.57, 7,559.87 and 3,240.01

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Solution

The fourth proportional to 5,478.57, 7,559.87 and 3,240.01 is: 4,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.57 : 7,559.87 = 3,240.01 : x
  2. Step 2: Convert to fraction form
    5,478.57/7,559.87 = 3,240.01/x
  3. Step 3: Cross multiply
    5,478.57x = 7,559.87 × 3,240.01
  4. Step 4: Simplify right side
    5,478.57x = 24,494,026.39
  5. Step 5: Solve for x
    x = 24,494,026.39/5,478.57
  6. Step 6: Final answer
    x = 4,470.88

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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.