Home / 4,438.63-6,123.45-3,113.20

Finding the Fourth Proportional to 4,438.63, 6,123.45 and 3,113.20

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Solution

The fourth proportional to 4,438.63, 6,123.45 and 3,113.20 is: 4,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.63 : 6,123.45 = 3,113.20 : x
  2. Step 2: Convert to fraction form
    4,438.63/6,123.45 = 3,113.20/x
  3. Step 3: Cross multiply
    4,438.63x = 6,123.45 × 3,113.20
  4. Step 4: Simplify right side
    4,438.63x = 19,063,524.54
  5. Step 5: Solve for x
    x = 19,063,524.54/4,438.63
  6. Step 6: Final answer
    x = 4,294.91

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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.