Home / 4,509.97-6,770.51-2,140.31

Finding the Fourth Proportional to 4,509.97, 6,770.51 and 2,140.31

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Solution

The fourth proportional to 4,509.97, 6,770.51 and 2,140.31 is: 3,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.97 : 6,770.51 = 2,140.31 : x
  2. Step 2: Convert to fraction form
    4,509.97/6,770.51 = 2,140.31/x
  3. Step 3: Cross multiply
    4,509.97x = 6,770.51 × 2,140.31
  4. Step 4: Simplify right side
    4,509.97x = 14,490,990.26
  5. Step 5: Solve for x
    x = 14,490,990.26/4,509.97
  6. Step 6: Final answer
    x = 3,213.10

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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.