Home / 5,079.08-7,009.11-2,841.05

Finding the Fourth Proportional to 5,079.08, 7,009.11 and 2,841.05

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Solution

The fourth proportional to 5,079.08, 7,009.11 and 2,841.05 is: 3,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.08 : 7,009.11 = 2,841.05 : x
  2. Step 2: Convert to fraction form
    5,079.08/7,009.11 = 2,841.05/x
  3. Step 3: Cross multiply
    5,079.08x = 7,009.11 × 2,841.05
  4. Step 4: Simplify right side
    5,079.08x = 19,913,221.78
  5. Step 5: Solve for x
    x = 19,913,221.78/5,079.08
  6. Step 6: Final answer
    x = 3,920.64

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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.