Home / 4,470.68-6,167.35-2,978.74

Finding the Fourth Proportional to 4,470.68, 6,167.35 and 2,978.74

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Solution

The fourth proportional to 4,470.68, 6,167.35 and 2,978.74 is: 4,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.68 : 6,167.35 = 2,978.74 : x
  2. Step 2: Convert to fraction form
    4,470.68/6,167.35 = 2,978.74/x
  3. Step 3: Cross multiply
    4,470.68x = 6,167.35 × 2,978.74
  4. Step 4: Simplify right side
    4,470.68x = 18,370,932.14
  5. Step 5: Solve for x
    x = 18,370,932.14/4,470.68
  6. Step 6: Final answer
    x = 4,109.20

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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.