Home / 6,749.01-10,123.75-1,818.77

Finding the Fourth Proportional to 6,749.01, 10,123.75 and 1,818.77

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Solution

The fourth proportional to 6,749.01, 10,123.75 and 1,818.77 is: 2,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.01 : 10,123.75 = 1,818.77 : x
  2. Step 2: Convert to fraction form
    6,749.01/10,123.75 = 1,818.77/x
  3. Step 3: Cross multiply
    6,749.01x = 10,123.75 × 1,818.77
  4. Step 4: Simplify right side
    6,749.01x = 18,412,719.33
  5. Step 5: Solve for x
    x = 18,412,719.33/6,749.01
  6. Step 6: Final answer
    x = 2,728.21

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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.