Home / 4,220.85-6,329.64-1,754.40

Finding the Fourth Proportional to 4,220.85, 6,329.64 and 1,754.40

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Solution

The fourth proportional to 4,220.85, 6,329.64 and 1,754.40 is: 2,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.85 : 6,329.64 = 1,754.40 : x
  2. Step 2: Convert to fraction form
    4,220.85/6,329.64 = 1,754.40/x
  3. Step 3: Cross multiply
    4,220.85x = 6,329.64 × 1,754.40
  4. Step 4: Simplify right side
    4,220.85x = 11,104,720.42
  5. Step 5: Solve for x
    x = 11,104,720.42/4,220.85
  6. Step 6: Final answer
    x = 2,630.92

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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.