Home / 8,130.97-11,211.83-5,293.11

Finding the Fourth Proportional to 8,130.97, 11,211.83 and 5,293.11

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Solution

The fourth proportional to 8,130.97, 11,211.83 and 5,293.11 is: 7,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.97 : 11,211.83 = 5,293.11 : x
  2. Step 2: Convert to fraction form
    8,130.97/11,211.83 = 5,293.11/x
  3. Step 3: Cross multiply
    8,130.97x = 11,211.83 × 5,293.11
  4. Step 4: Simplify right side
    8,130.97x = 59,345,445.06
  5. Step 5: Solve for x
    x = 59,345,445.06/8,130.97
  6. Step 6: Final answer
    x = 7,298.69

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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.