Home / 5,390.24-7,436.75-4,393.80

Finding the Fourth Proportional to 5,390.24, 7,436.75 and 4,393.80

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Solution

The fourth proportional to 5,390.24, 7,436.75 and 4,393.80 is: 6,061.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.24 : 7,436.75 = 4,393.80 : x
  2. Step 2: Convert to fraction form
    5,390.24/7,436.75 = 4,393.80/x
  3. Step 3: Cross multiply
    5,390.24x = 7,436.75 × 4,393.80
  4. Step 4: Simplify right side
    5,390.24x = 32,675,570.18
  5. Step 5: Solve for x
    x = 32,675,570.18/5,390.24
  6. Step 6: Final answer
    x = 6,061.99

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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.