Home / 4,970.43-7,455.51-1,272.51

Finding the Fourth Proportional to 4,970.43, 7,455.51 and 1,272.51

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Solution

The fourth proportional to 4,970.43, 7,455.51 and 1,272.51 is: 1,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.43 : 7,455.51 = 1,272.51 : x
  2. Step 2: Convert to fraction form
    4,970.43/7,455.51 = 1,272.51/x
  3. Step 3: Cross multiply
    4,970.43x = 7,455.51 × 1,272.51
  4. Step 4: Simplify right side
    4,970.43x = 9,487,211.03
  5. Step 5: Solve for x
    x = 9,487,211.03/4,970.43
  6. Step 6: Final answer
    x = 1,908.73

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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.