Home / 5,655.48-7,804.61-3,103.22

Finding the Fourth Proportional to 5,655.48, 7,804.61 and 3,103.22

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Solution

The fourth proportional to 5,655.48, 7,804.61 and 3,103.22 is: 4,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.48 : 7,804.61 = 3,103.22 : x
  2. Step 2: Convert to fraction form
    5,655.48/7,804.61 = 3,103.22/x
  3. Step 3: Cross multiply
    5,655.48x = 7,804.61 × 3,103.22
  4. Step 4: Simplify right side
    5,655.48x = 24,219,433.60
  5. Step 5: Solve for x
    x = 24,219,433.60/5,655.48
  6. Step 6: Final answer
    x = 4,282.47

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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.