Home / 4,274.34-6,402.99-2,809.05

Finding the Fourth Proportional to 4,274.34, 6,402.99 and 2,809.05

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Solution

The fourth proportional to 4,274.34, 6,402.99 and 2,809.05 is: 4,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.34 : 6,402.99 = 2,809.05 : x
  2. Step 2: Convert to fraction form
    4,274.34/6,402.99 = 2,809.05/x
  3. Step 3: Cross multiply
    4,274.34x = 6,402.99 × 2,809.05
  4. Step 4: Simplify right side
    4,274.34x = 17,986,319.06
  5. Step 5: Solve for x
    x = 17,986,319.06/4,274.34
  6. Step 6: Final answer
    x = 4,207.98

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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.