Home / 4,445.89-6,669.17-1,325.65

Finding the Fourth Proportional to 4,445.89, 6,669.17 and 1,325.65

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Solution

The fourth proportional to 4,445.89, 6,669.17 and 1,325.65 is: 1,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.89 : 6,669.17 = 1,325.65 : x
  2. Step 2: Convert to fraction form
    4,445.89/6,669.17 = 1,325.65/x
  3. Step 3: Cross multiply
    4,445.89x = 6,669.17 × 1,325.65
  4. Step 4: Simplify right side
    4,445.89x = 8,840,979.39
  5. Step 5: Solve for x
    x = 8,840,979.39/4,445.89
  6. Step 6: Final answer
    x = 1,988.57

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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.