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Finding the Fourth Proportional to 6,374.20, 8,789.30 and 4,357.94

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Solution

The fourth proportional to 6,374.20, 8,789.30 and 4,357.94 is: 6,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.20 : 8,789.30 = 4,357.94 : x
  2. Step 2: Convert to fraction form
    6,374.20/8,789.30 = 4,357.94/x
  3. Step 3: Cross multiply
    6,374.20x = 8,789.30 × 4,357.94
  4. Step 4: Simplify right side
    6,374.20x = 38,303,260.47
  5. Step 5: Solve for x
    x = 38,303,260.47/6,374.20
  6. Step 6: Final answer
    x = 6,009.11

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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.