Home / 6,077.49-9,117.45-1,918.14

Finding the Fourth Proportional to 6,077.49, 9,117.45 and 1,918.14

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Solution

The fourth proportional to 6,077.49, 9,117.45 and 1,918.14 is: 2,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.49 : 9,117.45 = 1,918.14 : x
  2. Step 2: Convert to fraction form
    6,077.49/9,117.45 = 1,918.14/x
  3. Step 3: Cross multiply
    6,077.49x = 9,117.45 × 1,918.14
  4. Step 4: Simplify right side
    6,077.49x = 17,488,499.96
  5. Step 5: Solve for x
    x = 17,488,499.96/6,077.49
  6. Step 6: Final answer
    x = 2,877.59

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Half scale
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Double scale
Find fourth proportional to 6,078.49, 9,118.95 and 1,919.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.