Home / 4,868.18-7,305.79-1,947.30

Finding the Fourth Proportional to 4,868.18, 7,305.79 and 1,947.30

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Solution

The fourth proportional to 4,868.18, 7,305.79 and 1,947.30 is: 2,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.18 : 7,305.79 = 1,947.30 : x
  2. Step 2: Convert to fraction form
    4,868.18/7,305.79 = 1,947.30/x
  3. Step 3: Cross multiply
    4,868.18x = 7,305.79 × 1,947.30
  4. Step 4: Simplify right side
    4,868.18x = 14,226,564.87
  5. Step 5: Solve for x
    x = 14,226,564.87/4,868.18
  6. Step 6: Final answer
    x = 2,922.36

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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.