Home / 4,478.28-6,178.25-2,589.51

Finding the Fourth Proportional to 4,478.28, 6,178.25 and 2,589.51

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Solution

The fourth proportional to 4,478.28, 6,178.25 and 2,589.51 is: 3,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.28 : 6,178.25 = 2,589.51 : x
  2. Step 2: Convert to fraction form
    4,478.28/6,178.25 = 2,589.51/x
  3. Step 3: Cross multiply
    4,478.28x = 6,178.25 × 2,589.51
  4. Step 4: Simplify right side
    4,478.28x = 15,998,640.16
  5. Step 5: Solve for x
    x = 15,998,640.16/4,478.28
  6. Step 6: Final answer
    x = 3,572.50

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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.