Home / 9,131.06-12,597.48-6,746.78

Finding the Fourth Proportional to 9,131.06, 12,597.48 and 6,746.78

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Solution

The fourth proportional to 9,131.06, 12,597.48 and 6,746.78 is: 9,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.06 : 12,597.48 = 6,746.78 : x
  2. Step 2: Convert to fraction form
    9,131.06/12,597.48 = 6,746.78/x
  3. Step 3: Cross multiply
    9,131.06x = 12,597.48 × 6,746.78
  4. Step 4: Simplify right side
    9,131.06x = 84,992,426.11
  5. Step 5: Solve for x
    x = 84,992,426.11/9,131.06
  6. Step 6: Final answer
    x = 9,308.06

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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.