Home / 7,986.06-11,017.62-5,335.20

Finding the Fourth Proportional to 7,986.06, 11,017.62 and 5,335.20

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Solution

The fourth proportional to 7,986.06, 11,017.62 and 5,335.20 is: 7,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.06 : 11,017.62 = 5,335.20 : x
  2. Step 2: Convert to fraction form
    7,986.06/11,017.62 = 5,335.20/x
  3. Step 3: Cross multiply
    7,986.06x = 11,017.62 × 5,335.20
  4. Step 4: Simplify right side
    7,986.06x = 58,781,206.22
  5. Step 5: Solve for x
    x = 58,781,206.22/7,986.06
  6. Step 6: Final answer
    x = 7,360.48

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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.