Home / 7,084.29-10,621.88-3,386.44

Finding the Fourth Proportional to 7,084.29, 10,621.88 and 3,386.44

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Solution

The fourth proportional to 7,084.29, 10,621.88 and 3,386.44 is: 5,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.29 : 10,621.88 = 3,386.44 : x
  2. Step 2: Convert to fraction form
    7,084.29/10,621.88 = 3,386.44/x
  3. Step 3: Cross multiply
    7,084.29x = 10,621.88 × 3,386.44
  4. Step 4: Simplify right side
    7,084.29x = 35,970,367.77
  5. Step 5: Solve for x
    x = 35,970,367.77/7,084.29
  6. Step 6: Final answer
    x = 5,077.48

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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.