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Finding the Fourth Proportional to 8,893.32, 13,339.98 and 2,319.49

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Solution

The fourth proportional to 8,893.32, 13,339.98 and 2,319.49 is: 3,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.32 : 13,339.98 = 2,319.49 : x
  2. Step 2: Convert to fraction form
    8,893.32/13,339.98 = 2,319.49/x
  3. Step 3: Cross multiply
    8,893.32x = 13,339.98 × 2,319.49
  4. Step 4: Simplify right side
    8,893.32x = 30,941,950.21
  5. Step 5: Solve for x
    x = 30,941,950.21/8,893.32
  6. Step 6: Final answer
    x = 3,479.24

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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.