Home / 5,625.40-7,762.84-3,107.48

Finding the Fourth Proportional to 5,625.40, 7,762.84 and 3,107.48

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Solution

The fourth proportional to 5,625.40, 7,762.84 and 3,107.48 is: 4,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.40 : 7,762.84 = 3,107.48 : x
  2. Step 2: Convert to fraction form
    5,625.40/7,762.84 = 3,107.48/x
  3. Step 3: Cross multiply
    5,625.40x = 7,762.84 × 3,107.48
  4. Step 4: Simplify right side
    5,625.40x = 24,122,870.04
  5. Step 5: Solve for x
    x = 24,122,870.04/5,625.40
  6. Step 6: Final answer
    x = 4,288.21

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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.