Home / 8,013.71-11,058.81-4,428.66

Finding the Fourth Proportional to 8,013.71, 11,058.81 and 4,428.66

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Solution

The fourth proportional to 8,013.71, 11,058.81 and 4,428.66 is: 6,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.71 : 11,058.81 = 4,428.66 : x
  2. Step 2: Convert to fraction form
    8,013.71/11,058.81 = 4,428.66/x
  3. Step 3: Cross multiply
    8,013.71x = 11,058.81 × 4,428.66
  4. Step 4: Simplify right side
    8,013.71x = 48,975,709.49
  5. Step 5: Solve for x
    x = 48,975,709.49/8,013.71
  6. Step 6: Final answer
    x = 6,111.49

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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.