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Finding the Fourth Proportional to 8,891.86, 13,339.67 and 3,048.93

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Solution

The fourth proportional to 8,891.86, 13,339.67 and 3,048.93 is: 4,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.86 : 13,339.67 = 3,048.93 : x
  2. Step 2: Convert to fraction form
    8,891.86/13,339.67 = 3,048.93/x
  3. Step 3: Cross multiply
    8,891.86x = 13,339.67 × 3,048.93
  4. Step 4: Simplify right side
    8,891.86x = 40,671,720.05
  5. Step 5: Solve for x
    x = 40,671,720.05/8,891.86
  6. Step 6: Final answer
    x = 4,574.04

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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.