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Finding the Fourth Proportional to 6,863.00, 9,472.50 and 3,880.58

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Solution

The fourth proportional to 6,863.00, 9,472.50 and 3,880.58 is: 5,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.00 : 9,472.50 = 3,880.58 : x
  2. Step 2: Convert to fraction form
    6,863.00/9,472.50 = 3,880.58/x
  3. Step 3: Cross multiply
    6,863.00x = 9,472.50 × 3,880.58
  4. Step 4: Simplify right side
    6,863.00x = 36,758,746.69
  5. Step 5: Solve for x
    x = 36,758,746.69/6,863.00
  6. Step 6: Final answer
    x = 5,356.08

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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.