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Finding the Fourth Proportional to 6,377.42, 8,798.41 and 4,702.84

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Solution

The fourth proportional to 6,377.42, 8,798.41 and 4,702.84 is: 6,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.42 : 8,798.41 = 4,702.84 : x
  2. Step 2: Convert to fraction form
    6,377.42/8,798.41 = 4,702.84/x
  3. Step 3: Cross multiply
    6,377.42x = 8,798.41 × 4,702.84
  4. Step 4: Simplify right side
    6,377.42x = 41,377,514.48
  5. Step 5: Solve for x
    x = 41,377,514.48/6,377.42
  6. Step 6: Final answer
    x = 6,488.13

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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.