Home / 4,952.30-7,430.10-1,620.70

Finding the Fourth Proportional to 4,952.30, 7,430.10 and 1,620.70

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Solution

The fourth proportional to 4,952.30, 7,430.10 and 1,620.70 is: 2,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.30 : 7,430.10 = 1,620.70 : x
  2. Step 2: Convert to fraction form
    4,952.30/7,430.10 = 1,620.70/x
  3. Step 3: Cross multiply
    4,952.30x = 7,430.10 × 1,620.70
  4. Step 4: Simplify right side
    4,952.30x = 12,041,963.07
  5. Step 5: Solve for x
    x = 12,041,963.07/4,952.30
  6. Step 6: Final answer
    x = 2,431.59

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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.