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Finding the Fourth Proportional to 4,952.88, 7,385.04 and 4,816.80

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Solution

The fourth proportional to 4,952.88, 7,385.04 and 4,816.80 is: 7,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.88 : 7,385.04 = 4,816.80 : x
  2. Step 2: Convert to fraction form
    4,952.88/7,385.04 = 4,816.80/x
  3. Step 3: Cross multiply
    4,952.88x = 7,385.04 × 4,816.80
  4. Step 4: Simplify right side
    4,952.88x = 35,572,260.67
  5. Step 5: Solve for x
    x = 35,572,260.67/4,952.88
  6. Step 6: Final answer
    x = 7,182.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.