Home / 4,870.67-7,301.90-1,947.38

Finding the Fourth Proportional to 4,870.67, 7,301.90 and 1,947.38

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Solution

The fourth proportional to 4,870.67, 7,301.90 and 1,947.38 is: 2,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.67 : 7,301.90 = 1,947.38 : x
  2. Step 2: Convert to fraction form
    4,870.67/7,301.90 = 1,947.38/x
  3. Step 3: Cross multiply
    4,870.67x = 7,301.90 × 1,947.38
  4. Step 4: Simplify right side
    4,870.67x = 14,219,537.51
  5. Step 5: Solve for x
    x = 14,219,537.51/4,870.67
  6. Step 6: Final answer
    x = 2,919.42

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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.