Home / 8,015.40-11,057.22-5,362.92

Finding the Fourth Proportional to 8,015.40, 11,057.22 and 5,362.92

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Solution

The fourth proportional to 8,015.40, 11,057.22 and 5,362.92 is: 7,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.40 : 11,057.22 = 5,362.92 : x
  2. Step 2: Convert to fraction form
    8,015.40/11,057.22 = 5,362.92/x
  3. Step 3: Cross multiply
    8,015.40x = 11,057.22 × 5,362.92
  4. Step 4: Simplify right side
    8,015.40x = 59,298,986.28
  5. Step 5: Solve for x
    x = 59,298,986.28/8,015.40
  6. Step 6: Final answer
    x = 7,398.13

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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.