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Finding the Fourth Proportional to 6,873.08, 9,484.85 and 3,888.86

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Solution

The fourth proportional to 6,873.08, 9,484.85 and 3,888.86 is: 5,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.08 : 9,484.85 = 3,888.86 : x
  2. Step 2: Convert to fraction form
    6,873.08/9,484.85 = 3,888.86/x
  3. Step 3: Cross multiply
    6,873.08x = 9,484.85 × 3,888.86
  4. Step 4: Simplify right side
    6,873.08x = 36,885,216.07
  5. Step 5: Solve for x
    x = 36,885,216.07/6,873.08
  6. Step 6: Final answer
    x = 5,366.62

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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.