Home / 4,140.12-5,711.04-2,459.88

Finding the Fourth Proportional to 4,140.12, 5,711.04 and 2,459.88

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Solution

The fourth proportional to 4,140.12, 5,711.04 and 2,459.88 is: 3,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.12 : 5,711.04 = 2,459.88 : x
  2. Step 2: Convert to fraction form
    4,140.12/5,711.04 = 2,459.88/x
  3. Step 3: Cross multiply
    4,140.12x = 5,711.04 × 2,459.88
  4. Step 4: Simplify right side
    4,140.12x = 14,048,473.08
  5. Step 5: Solve for x
    x = 14,048,473.08/4,140.12
  6. Step 6: Final answer
    x = 3,393.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.