Home / 4,870.80-7,306.74-1,947.51

Finding the Fourth Proportional to 4,870.80, 7,306.74 and 1,947.51

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Solution

The fourth proportional to 4,870.80, 7,306.74 and 1,947.51 is: 2,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.80 : 7,306.74 = 1,947.51 : x
  2. Step 2: Convert to fraction form
    4,870.80/7,306.74 = 1,947.51/x
  3. Step 3: Cross multiply
    4,870.80x = 7,306.74 × 1,947.51
  4. Step 4: Simplify right side
    4,870.80x = 14,229,949.22
  5. Step 5: Solve for x
    x = 14,229,949.22/4,870.80
  6. Step 6: Final answer
    x = 2,921.48

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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.