Home / 5,420.24-8,123.07-3,952.52

Finding the Fourth Proportional to 5,420.24, 8,123.07 and 3,952.52

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Solution

The fourth proportional to 5,420.24, 8,123.07 and 3,952.52 is: 5,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.24 : 8,123.07 = 3,952.52 : x
  2. Step 2: Convert to fraction form
    5,420.24/8,123.07 = 3,952.52/x
  3. Step 3: Cross multiply
    5,420.24x = 8,123.07 × 3,952.52
  4. Step 4: Simplify right side
    5,420.24x = 32,106,596.64
  5. Step 5: Solve for x
    x = 32,106,596.64/5,420.24
  6. Step 6: Final answer
    x = 5,923.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.