Home / 8,878.82-13,315.93-2,637.37

Finding the Fourth Proportional to 8,878.82, 13,315.93 and 2,637.37

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Solution

The fourth proportional to 8,878.82, 13,315.93 and 2,637.37 is: 3,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.82 : 13,315.93 = 2,637.37 : x
  2. Step 2: Convert to fraction form
    8,878.82/13,315.93 = 2,637.37/x
  3. Step 3: Cross multiply
    8,878.82x = 13,315.93 × 2,637.37
  4. Step 4: Simplify right side
    8,878.82x = 35,118,994.42
  5. Step 5: Solve for x
    x = 35,118,994.42/8,878.82
  6. Step 6: Final answer
    x = 3,955.37

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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.