Home / 4,972.31-7,458.58-1,274.56

Finding the Fourth Proportional to 4,972.31, 7,458.58 and 1,274.56

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Solution

The fourth proportional to 4,972.31, 7,458.58 and 1,274.56 is: 1,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.31 : 7,458.58 = 1,274.56 : x
  2. Step 2: Convert to fraction form
    4,972.31/7,458.58 = 1,274.56/x
  3. Step 3: Cross multiply
    4,972.31x = 7,458.58 × 1,274.56
  4. Step 4: Simplify right side
    4,972.31x = 9,506,411.65
  5. Step 5: Solve for x
    x = 9,506,411.65/4,972.31
  6. Step 6: Final answer
    x = 1,911.87

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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.