Home / 5,148.02-7,721.96-1,252.44

Finding the Fourth Proportional to 5,148.02, 7,721.96 and 1,252.44

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Solution

The fourth proportional to 5,148.02, 7,721.96 and 1,252.44 is: 1,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.02 : 7,721.96 = 1,252.44 : x
  2. Step 2: Convert to fraction form
    5,148.02/7,721.96 = 1,252.44/x
  3. Step 3: Cross multiply
    5,148.02x = 7,721.96 × 1,252.44
  4. Step 4: Simplify right side
    5,148.02x = 9,671,291.58
  5. Step 5: Solve for x
    x = 9,671,291.58/5,148.02
  6. Step 6: Final answer
    x = 1,878.64

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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.