Home / 4,239.36-6,348.16-2,774.24

Finding the Fourth Proportional to 4,239.36, 6,348.16 and 2,774.24

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Solution

The fourth proportional to 4,239.36, 6,348.16 and 2,774.24 is: 4,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.36 : 6,348.16 = 2,774.24 : x
  2. Step 2: Convert to fraction form
    4,239.36/6,348.16 = 2,774.24/x
  3. Step 3: Cross multiply
    4,239.36x = 6,348.16 × 2,774.24
  4. Step 4: Simplify right side
    4,239.36x = 17,611,319.40
  5. Step 5: Solve for x
    x = 17,611,319.40/4,239.36
  6. Step 6: Final answer
    x = 4,154.24

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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.