Home / 8,952.16-13,434.36-3,108.72

Finding the Fourth Proportional to 8,952.16, 13,434.36 and 3,108.72

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Solution

The fourth proportional to 8,952.16, 13,434.36 and 3,108.72 is: 4,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.16 : 13,434.36 = 3,108.72 : x
  2. Step 2: Convert to fraction form
    8,952.16/13,434.36 = 3,108.72/x
  3. Step 3: Cross multiply
    8,952.16x = 13,434.36 × 3,108.72
  4. Step 4: Simplify right side
    8,952.16x = 41,763,663.62
  5. Step 5: Solve for x
    x = 41,763,663.62/8,952.16
  6. Step 6: Final answer
    x = 4,665.21

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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.