Home / 6,742.96-10,114.40-1,812.18

Finding the Fourth Proportional to 6,742.96, 10,114.40 and 1,812.18

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Solution

The fourth proportional to 6,742.96, 10,114.40 and 1,812.18 is: 2,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.96 : 10,114.40 = 1,812.18 : x
  2. Step 2: Convert to fraction form
    6,742.96/10,114.40 = 1,812.18/x
  3. Step 3: Cross multiply
    6,742.96x = 10,114.40 × 1,812.18
  4. Step 4: Simplify right side
    6,742.96x = 18,329,113.39
  5. Step 5: Solve for x
    x = 18,329,113.39/6,742.96
  6. Step 6: Final answer
    x = 2,718.26

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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.