Home / 6,656.09-9,186.97-4,140.13

Finding the Fourth Proportional to 6,656.09, 9,186.97 and 4,140.13

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Solution

The fourth proportional to 6,656.09, 9,186.97 and 4,140.13 is: 5,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.09 : 9,186.97 = 4,140.13 : x
  2. Step 2: Convert to fraction form
    6,656.09/9,186.97 = 4,140.13/x
  3. Step 3: Cross multiply
    6,656.09x = 9,186.97 × 4,140.13
  4. Step 4: Simplify right side
    6,656.09x = 38,035,250.11
  5. Step 5: Solve for x
    x = 38,035,250.11/6,656.09
  6. Step 6: Final answer
    x = 5,714.35

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Double scale
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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.