Home / 8,889.75-13,339.49-4,272.75

Finding the Fourth Proportional to 8,889.75, 13,339.49 and 4,272.75

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Solution

The fourth proportional to 8,889.75, 13,339.49 and 4,272.75 is: 6,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.75 : 13,339.49 = 4,272.75 : x
  2. Step 2: Convert to fraction form
    8,889.75/13,339.49 = 4,272.75/x
  3. Step 3: Cross multiply
    8,889.75x = 13,339.49 × 4,272.75
  4. Step 4: Simplify right side
    8,889.75x = 56,996,284.53
  5. Step 5: Solve for x
    x = 56,996,284.53/8,889.75
  6. Step 6: Final answer
    x = 6,411.46

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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.