Home / 4,427.36-6,639.50-1,306.54

Finding the Fourth Proportional to 4,427.36, 6,639.50 and 1,306.54

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Solution

The fourth proportional to 4,427.36, 6,639.50 and 1,306.54 is: 1,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.36 : 6,639.50 = 1,306.54 : x
  2. Step 2: Convert to fraction form
    4,427.36/6,639.50 = 1,306.54/x
  3. Step 3: Cross multiply
    4,427.36x = 6,639.50 × 1,306.54
  4. Step 4: Simplify right side
    4,427.36x = 8,674,765.80
  5. Step 5: Solve for x
    x = 8,674,765.80/4,427.36
  6. Step 6: Final answer
    x = 1,959.35

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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.