Home / 8,878.72-13,315.80-2,637.26

Finding the Fourth Proportional to 8,878.72, 13,315.80 and 2,637.26

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Solution

The fourth proportional to 8,878.72, 13,315.80 and 2,637.26 is: 3,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.72 : 13,315.80 = 2,637.26 : x
  2. Step 2: Convert to fraction form
    8,878.72/13,315.80 = 2,637.26/x
  3. Step 3: Cross multiply
    8,878.72x = 13,315.80 × 2,637.26
  4. Step 4: Simplify right side
    8,878.72x = 35,117,226.71
  5. Step 5: Solve for x
    x = 35,117,226.71/8,878.72
  6. Step 6: Final answer
    x = 3,955.21

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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.