Home / 7,993.28-11,030.73-4,456.72

Finding the Fourth Proportional to 7,993.28, 11,030.73 and 4,456.72

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Solution

The fourth proportional to 7,993.28, 11,030.73 and 4,456.72 is: 6,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.28 : 11,030.73 = 4,456.72 : x
  2. Step 2: Convert to fraction form
    7,993.28/11,030.73 = 4,456.72/x
  3. Step 3: Cross multiply
    7,993.28x = 11,030.73 × 4,456.72
  4. Step 4: Simplify right side
    7,993.28x = 49,160,875.01
  5. Step 5: Solve for x
    x = 49,160,875.01/7,993.28
  6. Step 6: Final answer
    x = 6,150.28

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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.