Home / 6,265.45-8,643.04-3,874.66

Finding the Fourth Proportional to 6,265.45, 8,643.04 and 3,874.66

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Solution

The fourth proportional to 6,265.45, 8,643.04 and 3,874.66 is: 5,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.45 : 8,643.04 = 3,874.66 : x
  2. Step 2: Convert to fraction form
    6,265.45/8,643.04 = 3,874.66/x
  3. Step 3: Cross multiply
    6,265.45x = 8,643.04 × 3,874.66
  4. Step 4: Simplify right side
    6,265.45x = 33,488,810.07
  5. Step 5: Solve for x
    x = 33,488,810.07/6,265.45
  6. Step 6: Final answer
    x = 5,345.00

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1.5x scale

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.