Home / 8,878.05-13,312.42-2,637.20

Finding the Fourth Proportional to 8,878.05, 13,312.42 and 2,637.20

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Solution

The fourth proportional to 8,878.05, 13,312.42 and 2,637.20 is: 3,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.05 : 13,312.42 = 2,637.20 : x
  2. Step 2: Convert to fraction form
    8,878.05/13,312.42 = 2,637.20/x
  3. Step 3: Cross multiply
    8,878.05x = 13,312.42 × 2,637.20
  4. Step 4: Simplify right side
    8,878.05x = 35,107,540.71
  5. Step 5: Solve for x
    x = 35,107,540.71/8,878.05
  6. Step 6: Final answer
    x = 3,954.42

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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.