Home / 6,610.42-9,118.69-4,090.92

Finding the Fourth Proportional to 6,610.42, 9,118.69 and 4,090.92

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Solution

The fourth proportional to 6,610.42, 9,118.69 and 4,090.92 is: 5,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.42 : 9,118.69 = 4,090.92 : x
  2. Step 2: Convert to fraction form
    6,610.42/9,118.69 = 4,090.92/x
  3. Step 3: Cross multiply
    6,610.42x = 9,118.69 × 4,090.92
  4. Step 4: Simplify right side
    6,610.42x = 37,303,831.29
  5. Step 5: Solve for x
    x = 37,303,831.29/6,610.42
  6. Step 6: Final answer
    x = 5,643.19

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Half scale
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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.