Home / 8,878.10-13,312.40-2,637.23

Finding the Fourth Proportional to 8,878.10, 13,312.40 and 2,637.23

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Solution

The fourth proportional to 8,878.10, 13,312.40 and 2,637.23 is: 3,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.10 : 13,312.40 = 2,637.23 : x
  2. Step 2: Convert to fraction form
    8,878.10/13,312.40 = 2,637.23/x
  3. Step 3: Cross multiply
    8,878.10x = 13,312.40 × 2,637.23
  4. Step 4: Simplify right side
    8,878.10x = 35,107,780.90
  5. Step 5: Solve for x
    x = 35,107,780.90/8,878.10
  6. Step 6: Final answer
    x = 3,954.43

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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.