Home / 4,747.90-6,546-3,894.02

Finding the Fourth Proportional to 4,747.90, 6,546 and 3,894.02

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Solution

The fourth proportional to 4,747.90, 6,546 and 3,894.02 is: 5,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.90 : 6,546 = 3,894.02 : x
  2. Step 2: Convert to fraction form
    4,747.90/6,546 = 3,894.02/x
  3. Step 3: Cross multiply
    4,747.90x = 6,546 × 3,894.02
  4. Step 4: Simplify right side
    4,747.90x = 25,490,254.92
  5. Step 5: Solve for x
    x = 25,490,254.92/4,747.90
  6. Step 6: Final answer
    x = 5,368.74

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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.