Home / 6,748.02-10,121.40-1,818.18

Finding the Fourth Proportional to 6,748.02, 10,121.40 and 1,818.18

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Solution

The fourth proportional to 6,748.02, 10,121.40 and 1,818.18 is: 2,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.02 : 10,121.40 = 1,818.18 : x
  2. Step 2: Convert to fraction form
    6,748.02/10,121.40 = 1,818.18/x
  3. Step 3: Cross multiply
    6,748.02x = 10,121.40 × 1,818.18
  4. Step 4: Simplify right side
    6,748.02x = 18,402,527.05
  5. Step 5: Solve for x
    x = 18,402,527.05/6,748.02
  6. Step 6: Final answer
    x = 2,727.10

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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.