Home / 6,746.13-10,119.20-1,815.64

Finding the Fourth Proportional to 6,746.13, 10,119.20 and 1,815.64

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Solution

The fourth proportional to 6,746.13, 10,119.20 and 1,815.64 is: 2,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.13 : 10,119.20 = 1,815.64 : x
  2. Step 2: Convert to fraction form
    6,746.13/10,119.20 = 1,815.64/x
  3. Step 3: Cross multiply
    6,746.13x = 10,119.20 × 1,815.64
  4. Step 4: Simplify right side
    6,746.13x = 18,372,870.64
  5. Step 5: Solve for x
    x = 18,372,870.64/6,746.13
  6. Step 6: Final answer
    x = 2,723.47

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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.