Home / 6,746.13-10,119.80-1,815.66

Finding the Fourth Proportional to 6,746.13, 10,119.80 and 1,815.66

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Solution

The fourth proportional to 6,746.13, 10,119.80 and 1,815.66 is: 2,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.13 : 10,119.80 = 1,815.66 : x
  2. Step 2: Convert to fraction form
    6,746.13/10,119.80 = 1,815.66/x
  3. Step 3: Cross multiply
    6,746.13x = 10,119.80 × 1,815.66
  4. Step 4: Simplify right side
    6,746.13x = 18,374,116.07
  5. Step 5: Solve for x
    x = 18,374,116.07/6,746.13
  6. Step 6: Final answer
    x = 2,723.65

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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.