Home / 7,982.19-11,015.23-4,445.33

Finding the Fourth Proportional to 7,982.19, 11,015.23 and 4,445.33

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Solution

The fourth proportional to 7,982.19, 11,015.23 and 4,445.33 is: 6,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.19 : 11,015.23 = 4,445.33 : x
  2. Step 2: Convert to fraction form
    7,982.19/11,015.23 = 4,445.33/x
  3. Step 3: Cross multiply
    7,982.19x = 11,015.23 × 4,445.33
  4. Step 4: Simplify right side
    7,982.19x = 48,966,332.38
  5. Step 5: Solve for x
    x = 48,966,332.38/7,982.19
  6. Step 6: Final answer
    x = 6,134.45

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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.