Home / 7,615.33-10,508.91-4,428.88

Finding the Fourth Proportional to 7,615.33, 10,508.91 and 4,428.88

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Solution

The fourth proportional to 7,615.33, 10,508.91 and 4,428.88 is: 6,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.33 : 10,508.91 = 4,428.88 : x
  2. Step 2: Convert to fraction form
    7,615.33/10,508.91 = 4,428.88/x
  3. Step 3: Cross multiply
    7,615.33x = 10,508.91 × 4,428.88
  4. Step 4: Simplify right side
    7,615.33x = 46,542,701.32
  5. Step 5: Solve for x
    x = 46,542,701.32/7,615.33
  6. Step 6: Final answer
    x = 6,111.71

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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.