Home / 9,317.72-12,859.08-5,126.24

Finding the Fourth Proportional to 9,317.72, 12,859.08 and 5,126.24

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Solution

The fourth proportional to 9,317.72, 12,859.08 and 5,126.24 is: 7,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.72 : 12,859.08 = 5,126.24 : x
  2. Step 2: Convert to fraction form
    9,317.72/12,859.08 = 5,126.24/x
  3. Step 3: Cross multiply
    9,317.72x = 12,859.08 × 5,126.24
  4. Step 4: Simplify right side
    9,317.72x = 65,918,730.26
  5. Step 5: Solve for x
    x = 65,918,730.26/9,317.72
  6. Step 6: Final answer
    x = 7,074.56

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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.