Home / 7,777.04-11,663-2,581.52

Finding the Fourth Proportional to 7,777.04, 11,663 and 2,581.52

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Solution

The fourth proportional to 7,777.04, 11,663 and 2,581.52 is: 3,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.04 : 11,663 = 2,581.52 : x
  2. Step 2: Convert to fraction form
    7,777.04/11,663 = 2,581.52/x
  3. Step 3: Cross multiply
    7,777.04x = 11,663 × 2,581.52
  4. Step 4: Simplify right side
    7,777.04x = 30,108,267.76
  5. Step 5: Solve for x
    x = 30,108,267.76/7,777.04
  6. Step 6: Final answer
    x = 3,871.43

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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.