Home / 4,681.02-7,021.55-1,218.02

Finding the Fourth Proportional to 4,681.02, 7,021.55 and 1,218.02

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Solution

The fourth proportional to 4,681.02, 7,021.55 and 1,218.02 is: 1,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.02 : 7,021.55 = 1,218.02 : x
  2. Step 2: Convert to fraction form
    4,681.02/7,021.55 = 1,218.02/x
  3. Step 3: Cross multiply
    4,681.02x = 7,021.55 × 1,218.02
  4. Step 4: Simplify right side
    4,681.02x = 8,552,388.33
  5. Step 5: Solve for x
    x = 8,552,388.33/4,681.02
  6. Step 6: Final answer
    x = 1,827.04

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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.