Home / 5,097.80-7,035.30-2,859.82

Finding the Fourth Proportional to 5,097.80, 7,035.30 and 2,859.82

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Solution

The fourth proportional to 5,097.80, 7,035.30 and 2,859.82 is: 3,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.80 : 7,035.30 = 2,859.82 : x
  2. Step 2: Convert to fraction form
    5,097.80/7,035.30 = 2,859.82/x
  3. Step 3: Cross multiply
    5,097.80x = 7,035.30 × 2,859.82
  4. Step 4: Simplify right side
    5,097.80x = 20,119,691.65
  5. Step 5: Solve for x
    x = 20,119,691.65/5,097.80
  6. Step 6: Final answer
    x = 3,946.74

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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.