Home / 8,858.36-13,284.40-2,616.72

Finding the Fourth Proportional to 8,858.36, 13,284.40 and 2,616.72

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Solution

The fourth proportional to 8,858.36, 13,284.40 and 2,616.72 is: 3,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.36 : 13,284.40 = 2,616.72 : x
  2. Step 2: Convert to fraction form
    8,858.36/13,284.40 = 2,616.72/x
  3. Step 3: Cross multiply
    8,858.36x = 13,284.40 × 2,616.72
  4. Step 4: Simplify right side
    8,858.36x = 34,761,555.17
  5. Step 5: Solve for x
    x = 34,761,555.17/8,858.36
  6. Step 6: Final answer
    x = 3,924.15

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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.