Home / 9,578.09-13,217.52-5,329.16

Finding the Fourth Proportional to 9,578.09, 13,217.52 and 5,329.16

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Solution

The fourth proportional to 9,578.09, 13,217.52 and 5,329.16 is: 7,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.09 : 13,217.52 = 5,329.16 : x
  2. Step 2: Convert to fraction form
    9,578.09/13,217.52 = 5,329.16/x
  3. Step 3: Cross multiply
    9,578.09x = 13,217.52 × 5,329.16
  4. Step 4: Simplify right side
    9,578.09x = 70,438,285.28
  5. Step 5: Solve for x
    x = 70,438,285.28/9,578.09
  6. Step 6: Final answer
    x = 7,354.10

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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.