Home / 4,970.23-7,455.29-1,272.43

Finding the Fourth Proportional to 4,970.23, 7,455.29 and 1,272.43

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Solution

The fourth proportional to 4,970.23, 7,455.29 and 1,272.43 is: 1,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.23 : 7,455.29 = 1,272.43 : x
  2. Step 2: Convert to fraction form
    4,970.23/7,455.29 = 1,272.43/x
  3. Step 3: Cross multiply
    4,970.23x = 7,455.29 × 1,272.43
  4. Step 4: Simplify right side
    4,970.23x = 9,486,291.02
  5. Step 5: Solve for x
    x = 9,486,291.02/4,970.23
  6. Step 6: Final answer
    x = 1,908.62

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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.