Home / 4,449.40-6,141.42-3,123.46

Finding the Fourth Proportional to 4,449.40, 6,141.42 and 3,123.46

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Solution

The fourth proportional to 4,449.40, 6,141.42 and 3,123.46 is: 4,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.40 : 6,141.42 = 3,123.46 : x
  2. Step 2: Convert to fraction form
    4,449.40/6,141.42 = 3,123.46/x
  3. Step 3: Cross multiply
    4,449.40x = 6,141.42 × 3,123.46
  4. Step 4: Simplify right side
    4,449.40x = 19,182,479.71
  5. Step 5: Solve for x
    x = 19,182,479.71/4,449.40
  6. Step 6: Final answer
    x = 4,311.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.