Home / 4,287.89-6,429.78-2,094.05

Finding the Fourth Proportional to 4,287.89, 6,429.78 and 2,094.05

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Solution

The fourth proportional to 4,287.89, 6,429.78 and 2,094.05 is: 3,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.89 : 6,429.78 = 2,094.05 : x
  2. Step 2: Convert to fraction form
    4,287.89/6,429.78 = 2,094.05/x
  3. Step 3: Cross multiply
    4,287.89x = 6,429.78 × 2,094.05
  4. Step 4: Simplify right side
    4,287.89x = 13,464,296.88
  5. Step 5: Solve for x
    x = 13,464,296.88/4,287.89
  6. Step 6: Final answer
    x = 3,140.08

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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.