Home / 5,334.90-8,002.82-1,386.15

Finding the Fourth Proportional to 5,334.90, 8,002.82 and 1,386.15

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Solution

The fourth proportional to 5,334.90, 8,002.82 and 1,386.15 is: 2,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.90 : 8,002.82 = 1,386.15 : x
  2. Step 2: Convert to fraction form
    5,334.90/8,002.82 = 1,386.15/x
  3. Step 3: Cross multiply
    5,334.90x = 8,002.82 × 1,386.15
  4. Step 4: Simplify right side
    5,334.90x = 11,093,108.94
  5. Step 5: Solve for x
    x = 11,093,108.94/5,334.90
  6. Step 6: Final answer
    x = 2,079.35

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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.