Home / 4,261.85-6,392.77-1,487.77

Finding the Fourth Proportional to 4,261.85, 6,392.77 and 1,487.77

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Solution

The fourth proportional to 4,261.85, 6,392.77 and 1,487.77 is: 2,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.85 : 6,392.77 = 1,487.77 : x
  2. Step 2: Convert to fraction form
    4,261.85/6,392.77 = 1,487.77/x
  3. Step 3: Cross multiply
    4,261.85x = 6,392.77 × 1,487.77
  4. Step 4: Simplify right side
    4,261.85x = 9,510,971.42
  5. Step 5: Solve for x
    x = 9,510,971.42/4,261.85
  6. Step 6: Final answer
    x = 2,231.65

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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.