Home / 6,748.77-10,123.02-1,818.90

Finding the Fourth Proportional to 6,748.77, 10,123.02 and 1,818.90

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Solution

The fourth proportional to 6,748.77, 10,123.02 and 1,818.90 is: 2,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.77 : 10,123.02 = 1,818.90 : x
  2. Step 2: Convert to fraction form
    6,748.77/10,123.02 = 1,818.90/x
  3. Step 3: Cross multiply
    6,748.77x = 10,123.02 × 1,818.90
  4. Step 4: Simplify right side
    6,748.77x = 18,412,761.08
  5. Step 5: Solve for x
    x = 18,412,761.08/6,748.77
  6. Step 6: Final answer
    x = 2,728.31

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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.