Home / 4,426.65-6,639.98-2,085.89

Finding the Fourth Proportional to 4,426.65, 6,639.98 and 2,085.89

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Solution

The fourth proportional to 4,426.65, 6,639.98 and 2,085.89 is: 3,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.65 : 6,639.98 = 2,085.89 : x
  2. Step 2: Convert to fraction form
    4,426.65/6,639.98 = 2,085.89/x
  3. Step 3: Cross multiply
    4,426.65x = 6,639.98 × 2,085.89
  4. Step 4: Simplify right side
    4,426.65x = 13,850,224.25
  5. Step 5: Solve for x
    x = 13,850,224.25/4,426.65
  6. Step 6: Final answer
    x = 3,128.83

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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.