Home / 3,325.27-4,988.20-860.07

Finding the Fourth Proportional to 3,325.27, 4,988.20 and 860.07

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Solution

The fourth proportional to 3,325.27, 4,988.20 and 860.07 is: 1,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.27 : 4,988.20 = 860.07 : x
  2. Step 2: Convert to fraction form
    3,325.27/4,988.20 = 860.07/x
  3. Step 3: Cross multiply
    3,325.27x = 4,988.20 × 860.07
  4. Step 4: Simplify right side
    3,325.27x = 4,290,201.17
  5. Step 5: Solve for x
    x = 4,290,201.17/3,325.27
  6. Step 6: Final answer
    x = 1,290.18

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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.