Home / 4,245.89-6,370.92-1,907.51

Finding the Fourth Proportional to 4,245.89, 6,370.92 and 1,907.51

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Solution

The fourth proportional to 4,245.89, 6,370.92 and 1,907.51 is: 2,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.89 : 6,370.92 = 1,907.51 : x
  2. Step 2: Convert to fraction form
    4,245.89/6,370.92 = 1,907.51/x
  3. Step 3: Cross multiply
    4,245.89x = 6,370.92 × 1,907.51
  4. Step 4: Simplify right side
    4,245.89x = 12,152,561.75
  5. Step 5: Solve for x
    x = 12,152,561.75/4,245.89
  6. Step 6: Final answer
    x = 2,862.20

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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.