Home / 8,857.29-13,281.36-2,616.51

Finding the Fourth Proportional to 8,857.29, 13,281.36 and 2,616.51

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Solution

The fourth proportional to 8,857.29, 13,281.36 and 2,616.51 is: 3,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.29 : 13,281.36 = 2,616.51 : x
  2. Step 2: Convert to fraction form
    8,857.29/13,281.36 = 2,616.51/x
  3. Step 3: Cross multiply
    8,857.29x = 13,281.36 × 2,616.51
  4. Step 4: Simplify right side
    8,857.29x = 34,750,811.25
  5. Step 5: Solve for x
    x = 34,750,811.25/8,857.29
  6. Step 6: Final answer
    x = 3,923.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.