Home / 7,777.02-11,663-2,581.50

Finding the Fourth Proportional to 7,777.02, 11,663 and 2,581.50

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Solution

The fourth proportional to 7,777.02, 11,663 and 2,581.50 is: 3,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.02 : 11,663 = 2,581.50 : x
  2. Step 2: Convert to fraction form
    7,777.02/11,663 = 2,581.50/x
  3. Step 3: Cross multiply
    7,777.02x = 11,663 × 2,581.50
  4. Step 4: Simplify right side
    7,777.02x = 30,108,034.50
  5. Step 5: Solve for x
    x = 30,108,034.50/7,777.02
  6. Step 6: Final answer
    x = 3,871.41

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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.