Home / 8,977.98-13,445.41-5,019.51

Finding the Fourth Proportional to 8,977.98, 13,445.41 and 5,019.51

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Solution

The fourth proportional to 8,977.98, 13,445.41 and 5,019.51 is: 7,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.98 : 13,445.41 = 5,019.51 : x
  2. Step 2: Convert to fraction form
    8,977.98/13,445.41 = 5,019.51/x
  3. Step 3: Cross multiply
    8,977.98x = 13,445.41 × 5,019.51
  4. Step 4: Simplify right side
    8,977.98x = 67,489,369.95
  5. Step 5: Solve for x
    x = 67,489,369.95/8,977.98
  6. Step 6: Final answer
    x = 7,517.21

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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.