Home / 7,352.29-10,147.04-4,209.49

Finding the Fourth Proportional to 7,352.29, 10,147.04 and 4,209.49

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Solution

The fourth proportional to 7,352.29, 10,147.04 and 4,209.49 is: 5,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.29 : 10,147.04 = 4,209.49 : x
  2. Step 2: Convert to fraction form
    7,352.29/10,147.04 = 4,209.49/x
  3. Step 3: Cross multiply
    7,352.29x = 10,147.04 × 4,209.49
  4. Step 4: Simplify right side
    7,352.29x = 42,713,863.41
  5. Step 5: Solve for x
    x = 42,713,863.41/7,352.29
  6. Step 6: Final answer
    x = 5,809.60

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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.