Home / 4,434.40-6,120.72-3,108.46

Finding the Fourth Proportional to 4,434.40, 6,120.72 and 3,108.46

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Solution

The fourth proportional to 4,434.40, 6,120.72 and 3,108.46 is: 4,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,434.40 : 6,120.72 = 3,108.46 : x
  2. Step 2: Convert to fraction form
    4,434.40/6,120.72 = 3,108.46/x
  3. Step 3: Cross multiply
    4,434.40x = 6,120.72 × 3,108.46
  4. Step 4: Simplify right side
    4,434.40x = 19,026,013.29
  5. Step 5: Solve for x
    x = 19,026,013.29/4,434.40
  6. Step 6: Final answer
    x = 4,290.55

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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.