Home / 5,230.93-7,220.04-3,240.31

Finding the Fourth Proportional to 5,230.93, 7,220.04 and 3,240.31

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Solution

The fourth proportional to 5,230.93, 7,220.04 and 3,240.31 is: 4,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.93 : 7,220.04 = 3,240.31 : x
  2. Step 2: Convert to fraction form
    5,230.93/7,220.04 = 3,240.31/x
  3. Step 3: Cross multiply
    5,230.93x = 7,220.04 × 3,240.31
  4. Step 4: Simplify right side
    5,230.93x = 23,395,167.81
  5. Step 5: Solve for x
    x = 23,395,167.81/5,230.93
  6. Step 6: Final answer
    x = 4,472.47

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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.