Home / 8,914.28-13,371.12-4,237.65

Finding the Fourth Proportional to 8,914.28, 13,371.12 and 4,237.65

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Solution

The fourth proportional to 8,914.28, 13,371.12 and 4,237.65 is: 6,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.28 : 13,371.12 = 4,237.65 : x
  2. Step 2: Convert to fraction form
    8,914.28/13,371.12 = 4,237.65/x
  3. Step 3: Cross multiply
    8,914.28x = 13,371.12 × 4,237.65
  4. Step 4: Simplify right side
    8,914.28x = 56,662,126.67
  5. Step 5: Solve for x
    x = 56,662,126.67/8,914.28
  6. Step 6: Final answer
    x = 6,356.34

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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.