Home / 4,407.50-6,081.90-2,639.06

Finding the Fourth Proportional to 4,407.50, 6,081.90 and 2,639.06

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Solution

The fourth proportional to 4,407.50, 6,081.90 and 2,639.06 is: 3,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.50 : 6,081.90 = 2,639.06 : x
  2. Step 2: Convert to fraction form
    4,407.50/6,081.90 = 2,639.06/x
  3. Step 3: Cross multiply
    4,407.50x = 6,081.90 × 2,639.06
  4. Step 4: Simplify right side
    4,407.50x = 16,050,468.60
  5. Step 5: Solve for x
    x = 16,050,468.60/4,407.50
  6. Step 6: Final answer
    x = 3,641.63

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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.