Home / 8,247.36-11,381.36-4,470.55

Finding the Fourth Proportional to 8,247.36, 11,381.36 and 4,470.55

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Solution

The fourth proportional to 8,247.36, 11,381.36 and 4,470.55 is: 6,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.36 : 11,381.36 = 4,470.55 : x
  2. Step 2: Convert to fraction form
    8,247.36/11,381.36 = 4,470.55/x
  3. Step 3: Cross multiply
    8,247.36x = 11,381.36 × 4,470.55
  4. Step 4: Simplify right side
    8,247.36x = 50,880,916.60
  5. Step 5: Solve for x
    x = 50,880,916.60/8,247.36
  6. Step 6: Final answer
    x = 6,169.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.