Home / 5,655.24-7,804.28-3,137.56

Finding the Fourth Proportional to 5,655.24, 7,804.28 and 3,137.56

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Solution

The fourth proportional to 5,655.24, 7,804.28 and 3,137.56 is: 4,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.24 : 7,804.28 = 3,137.56 : x
  2. Step 2: Convert to fraction form
    5,655.24/7,804.28 = 3,137.56/x
  3. Step 3: Cross multiply
    5,655.24x = 7,804.28 × 3,137.56
  4. Step 4: Simplify right side
    5,655.24x = 24,486,396.76
  5. Step 5: Solve for x
    x = 24,486,396.76/5,655.24
  6. Step 6: Final answer
    x = 4,329.86

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1.5x scale

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.