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Finding the Fourth Proportional to 6,374.77, 8,797.81 and 3,686.10

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Solution

The fourth proportional to 6,374.77, 8,797.81 and 3,686.10 is: 5,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.77 : 8,797.81 = 3,686.10 : x
  2. Step 2: Convert to fraction form
    6,374.77/8,797.81 = 3,686.10/x
  3. Step 3: Cross multiply
    6,374.77x = 8,797.81 × 3,686.10
  4. Step 4: Simplify right side
    6,374.77x = 32,429,607.44
  5. Step 5: Solve for x
    x = 32,429,607.44/6,374.77
  6. Step 6: Final answer
    x = 5,087.18

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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.