Home / 6,012.90-9,019.35-2,117.70

Finding the Fourth Proportional to 6,012.90, 9,019.35 and 2,117.70

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Solution

The fourth proportional to 6,012.90, 9,019.35 and 2,117.70 is: 3,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,012.90 : 9,019.35 = 2,117.70 : x
  2. Step 2: Convert to fraction form
    6,012.90/9,019.35 = 2,117.70/x
  3. Step 3: Cross multiply
    6,012.90x = 9,019.35 × 2,117.70
  4. Step 4: Simplify right side
    6,012.90x = 19,100,277.50
  5. Step 5: Solve for x
    x = 19,100,277.50/6,012.90
  6. Step 6: Final answer
    x = 3,176.55

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Double scale
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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.