Home / 4,816.20-7,218.90-2,475.30

Finding the Fourth Proportional to 4,816.20, 7,218.90 and 2,475.30

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Solution

The fourth proportional to 4,816.20, 7,218.90 and 2,475.30 is: 3,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.20 : 7,218.90 = 2,475.30 : x
  2. Step 2: Convert to fraction form
    4,816.20/7,218.90 = 2,475.30/x
  3. Step 3: Cross multiply
    4,816.20x = 7,218.90 × 2,475.30
  4. Step 4: Simplify right side
    4,816.20x = 17,868,943.17
  5. Step 5: Solve for x
    x = 17,868,943.17/4,816.20
  6. Step 6: Final answer
    x = 3,710.17

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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.