Home / 7,189.16-9,920.27-4,044.74

Finding the Fourth Proportional to 7,189.16, 9,920.27 and 4,044.74

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Solution

The fourth proportional to 7,189.16, 9,920.27 and 4,044.74 is: 5,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.16 : 9,920.27 = 4,044.74 : x
  2. Step 2: Convert to fraction form
    7,189.16/9,920.27 = 4,044.74/x
  3. Step 3: Cross multiply
    7,189.16x = 9,920.27 × 4,044.74
  4. Step 4: Simplify right side
    7,189.16x = 40,124,873.39
  5. Step 5: Solve for x
    x = 40,124,873.39/7,189.16
  6. Step 6: Final answer
    x = 5,581.31

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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.