Home / 5,235.80-7,854.84-2,604.74

Finding the Fourth Proportional to 5,235.80, 7,854.84 and 2,604.74

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Solution

The fourth proportional to 5,235.80, 7,854.84 and 2,604.74 is: 3,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.80 : 7,854.84 = 2,604.74 : x
  2. Step 2: Convert to fraction form
    5,235.80/7,854.84 = 2,604.74/x
  3. Step 3: Cross multiply
    5,235.80x = 7,854.84 × 2,604.74
  4. Step 4: Simplify right side
    5,235.80x = 20,459,815.94
  5. Step 5: Solve for x
    x = 20,459,815.94/5,235.80
  6. Step 6: Final answer
    x = 3,907.68

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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.