Home / 5,555.80-7,670.02-3,764.52

Finding the Fourth Proportional to 5,555.80, 7,670.02 and 3,764.52

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Solution

The fourth proportional to 5,555.80, 7,670.02 and 3,764.52 is: 5,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.80 : 7,670.02 = 3,764.52 : x
  2. Step 2: Convert to fraction form
    5,555.80/7,670.02 = 3,764.52/x
  3. Step 3: Cross multiply
    5,555.80x = 7,670.02 × 3,764.52
  4. Step 4: Simplify right side
    5,555.80x = 28,873,943.69
  5. Step 5: Solve for x
    x = 28,873,943.69/5,555.80
  6. Step 6: Final answer
    x = 5,197.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.