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Finding the Fourth Proportional to 8,891.95, 13,339.91 and 3,345.34

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Solution

The fourth proportional to 8,891.95, 13,339.91 and 3,345.34 is: 5,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.95 : 13,339.91 = 3,345.34 : x
  2. Step 2: Convert to fraction form
    8,891.95/13,339.91 = 3,345.34/x
  3. Step 3: Cross multiply
    8,891.95x = 13,339.91 × 3,345.34
  4. Step 4: Simplify right side
    8,891.95x = 44,626,517.79
  5. Step 5: Solve for x
    x = 44,626,517.79/8,891.95
  6. Step 6: Final answer
    x = 5,018.75

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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.