Home / 8,013.52-11,058.44-4,428.74

Finding the Fourth Proportional to 8,013.52, 11,058.44 and 4,428.74

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Solution

The fourth proportional to 8,013.52, 11,058.44 and 4,428.74 is: 6,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.52 : 11,058.44 = 4,428.74 : x
  2. Step 2: Convert to fraction form
    8,013.52/11,058.44 = 4,428.74/x
  3. Step 3: Cross multiply
    8,013.52x = 11,058.44 × 4,428.74
  4. Step 4: Simplify right side
    8,013.52x = 48,974,955.57
  5. Step 5: Solve for x
    x = 48,974,955.57/8,013.52
  6. Step 6: Final answer
    x = 6,111.54

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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.