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Finding the Fourth Proportional to 8,377.64, 11,548.80 and 6,384.74

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Solution

The fourth proportional to 8,377.64, 11,548.80 and 6,384.74 is: 8,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.64 : 11,548.80 = 6,384.74 : x
  2. Step 2: Convert to fraction form
    8,377.64/11,548.80 = 6,384.74/x
  3. Step 3: Cross multiply
    8,377.64x = 11,548.80 × 6,384.74
  4. Step 4: Simplify right side
    8,377.64x = 73,736,085.31
  5. Step 5: Solve for x
    x = 73,736,085.31/8,377.64
  6. Step 6: Final answer
    x = 8,801.53

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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.