Home / 8,878.00-13,319.08-2,638.06

Finding the Fourth Proportional to 8,878.00, 13,319.08 and 2,638.06

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Solution

The fourth proportional to 8,878.00, 13,319.08 and 2,638.06 is: 3,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.00 : 13,319.08 = 2,638.06 : x
  2. Step 2: Convert to fraction form
    8,878.00/13,319.08 = 2,638.06/x
  3. Step 3: Cross multiply
    8,878.00x = 13,319.08 × 2,638.06
  4. Step 4: Simplify right side
    8,878.00x = 35,136,502.18
  5. Step 5: Solve for x
    x = 35,136,502.18/8,878.00
  6. Step 6: Final answer
    x = 3,957.71

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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.