Home / 5,587.28-7,710.43-3,069.45

Finding the Fourth Proportional to 5,587.28, 7,710.43 and 3,069.45

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Solution

The fourth proportional to 5,587.28, 7,710.43 and 3,069.45 is: 4,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.28 : 7,710.43 = 3,069.45 : x
  2. Step 2: Convert to fraction form
    5,587.28/7,710.43 = 3,069.45/x
  3. Step 3: Cross multiply
    5,587.28x = 7,710.43 × 3,069.45
  4. Step 4: Simplify right side
    5,587.28x = 23,666,764.02
  5. Step 5: Solve for x
    x = 23,666,764.02/5,587.28
  6. Step 6: Final answer
    x = 4,235.83

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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.