Home / 8,752.13-13,119.88-3,490.37

Finding the Fourth Proportional to 8,752.13, 13,119.88 and 3,490.37

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Solution

The fourth proportional to 8,752.13, 13,119.88 and 3,490.37 is: 5,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.13 : 13,119.88 = 3,490.37 : x
  2. Step 2: Convert to fraction form
    8,752.13/13,119.88 = 3,490.37/x
  3. Step 3: Cross multiply
    8,752.13x = 13,119.88 × 3,490.37
  4. Step 4: Simplify right side
    8,752.13x = 45,793,152.50
  5. Step 5: Solve for x
    x = 45,793,152.50/8,752.13
  6. Step 6: Final answer
    x = 5,232.23

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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.