Home / 6,902.39-10,358.75-2,686.31

Finding the Fourth Proportional to 6,902.39, 10,358.75 and 2,686.31

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Solution

The fourth proportional to 6,902.39, 10,358.75 and 2,686.31 is: 4,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.39 : 10,358.75 = 2,686.31 : x
  2. Step 2: Convert to fraction form
    6,902.39/10,358.75 = 2,686.31/x
  3. Step 3: Cross multiply
    6,902.39x = 10,358.75 × 2,686.31
  4. Step 4: Simplify right side
    6,902.39x = 27,826,788.86
  5. Step 5: Solve for x
    x = 27,826,788.86/6,902.39
  6. Step 6: Final answer
    x = 4,031.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.