Home / 5,098.20-7,035.80-2,860.79

Finding the Fourth Proportional to 5,098.20, 7,035.80 and 2,860.79

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Solution

The fourth proportional to 5,098.20, 7,035.80 and 2,860.79 is: 3,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.20 : 7,035.80 = 2,860.79 : x
  2. Step 2: Convert to fraction form
    5,098.20/7,035.80 = 2,860.79/x
  3. Step 3: Cross multiply
    5,098.20x = 7,035.80 × 2,860.79
  4. Step 4: Simplify right side
    5,098.20x = 20,127,946.28
  5. Step 5: Solve for x
    x = 20,127,946.28/5,098.20
  6. Step 6: Final answer
    x = 3,948.05

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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.