Home / 5,215.02-7,823.25-1,753.26

Finding the Fourth Proportional to 5,215.02, 7,823.25 and 1,753.26

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Solution

The fourth proportional to 5,215.02, 7,823.25 and 1,753.26 is: 2,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.02 : 7,823.25 = 1,753.26 : x
  2. Step 2: Convert to fraction form
    5,215.02/7,823.25 = 1,753.26/x
  3. Step 3: Cross multiply
    5,215.02x = 7,823.25 × 1,753.26
  4. Step 4: Simplify right side
    5,215.02x = 13,716,191.30
  5. Step 5: Solve for x
    x = 13,716,191.30/5,215.02
  6. Step 6: Final answer
    x = 2,630.13

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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.