Home / 9,148.29-13,720.62-4,217.21

Finding the Fourth Proportional to 9,148.29, 13,720.62 and 4,217.21

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Solution

The fourth proportional to 9,148.29, 13,720.62 and 4,217.21 is: 6,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.29 : 13,720.62 = 4,217.21 : x
  2. Step 2: Convert to fraction form
    9,148.29/13,720.62 = 4,217.21/x
  3. Step 3: Cross multiply
    9,148.29x = 13,720.62 × 4,217.21
  4. Step 4: Simplify right side
    9,148.29x = 57,862,776.13
  5. Step 5: Solve for x
    x = 57,862,776.13/9,148.29
  6. Step 6: Final answer
    x = 6,324.98

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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.