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Finding the Fourth Proportional to 6,855.66, 10,283.76 and 1,925.64

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Solution

The fourth proportional to 6,855.66, 10,283.76 and 1,925.64 is: 2,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.66 : 10,283.76 = 1,925.64 : x
  2. Step 2: Convert to fraction form
    6,855.66/10,283.76 = 1,925.64/x
  3. Step 3: Cross multiply
    6,855.66x = 10,283.76 × 1,925.64
  4. Step 4: Simplify right side
    6,855.66x = 19,802,819.61
  5. Step 5: Solve for x
    x = 19,802,819.61/6,855.66
  6. Step 6: Final answer
    x = 2,888.54

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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.