Home / 4,314.29-6,455.03-2,666.75

Finding the Fourth Proportional to 4,314.29, 6,455.03 and 2,666.75

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Solution

The fourth proportional to 4,314.29, 6,455.03 and 2,666.75 is: 3,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.29 : 6,455.03 = 2,666.75 : x
  2. Step 2: Convert to fraction form
    4,314.29/6,455.03 = 2,666.75/x
  3. Step 3: Cross multiply
    4,314.29x = 6,455.03 × 2,666.75
  4. Step 4: Simplify right side
    4,314.29x = 17,213,905.64
  5. Step 5: Solve for x
    x = 17,213,905.64/4,314.29
  6. Step 6: Final answer
    x = 3,989.98

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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.