Home / 4,123.80-6,177.60-2,475.45

Finding the Fourth Proportional to 4,123.80, 6,177.60 and 2,475.45

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Solution

The fourth proportional to 4,123.80, 6,177.60 and 2,475.45 is: 3,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.80 : 6,177.60 = 2,475.45 : x
  2. Step 2: Convert to fraction form
    4,123.80/6,177.60 = 2,475.45/x
  3. Step 3: Cross multiply
    4,123.80x = 6,177.60 × 2,475.45
  4. Step 4: Simplify right side
    4,123.80x = 15,292,339.92
  5. Step 5: Solve for x
    x = 15,292,339.92/4,123.80
  6. Step 6: Final answer
    x = 3,708.31

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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.