Home / 4,931.78-7,397.67-2,009.57

Finding the Fourth Proportional to 4,931.78, 7,397.67 and 2,009.57

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Solution

The fourth proportional to 4,931.78, 7,397.67 and 2,009.57 is: 3,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.78 : 7,397.67 = 2,009.57 : x
  2. Step 2: Convert to fraction form
    4,931.78/7,397.67 = 2,009.57/x
  3. Step 3: Cross multiply
    4,931.78x = 7,397.67 × 2,009.57
  4. Step 4: Simplify right side
    4,931.78x = 14,866,135.70
  5. Step 5: Solve for x
    x = 14,866,135.70/4,931.78
  6. Step 6: Final answer
    x = 3,014.36

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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.