Home / 4,426.59-6,639.88-1,306.64

Finding the Fourth Proportional to 4,426.59, 6,639.88 and 1,306.64

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Solution

The fourth proportional to 4,426.59, 6,639.88 and 1,306.64 is: 1,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.59 : 6,639.88 = 1,306.64 : x
  2. Step 2: Convert to fraction form
    4,426.59/6,639.88 = 1,306.64/x
  3. Step 3: Cross multiply
    4,426.59x = 6,639.88 × 1,306.64
  4. Step 4: Simplify right side
    4,426.59x = 8,675,899.60
  5. Step 5: Solve for x
    x = 8,675,899.60/4,426.59
  6. Step 6: Final answer
    x = 1,959.95

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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.