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Finding the Fourth Proportional to 4,702.19, 6,490.33 and 4,631.11

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Solution

The fourth proportional to 4,702.19, 6,490.33 and 4,631.11 is: 6,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.19 : 6,490.33 = 4,631.11 : x
  2. Step 2: Convert to fraction form
    4,702.19/6,490.33 = 4,631.11/x
  3. Step 3: Cross multiply
    4,702.19x = 6,490.33 × 4,631.11
  4. Step 4: Simplify right side
    4,702.19x = 30,057,404.36
  5. Step 5: Solve for x
    x = 30,057,404.36/4,702.19
  6. Step 6: Final answer
    x = 6,392.22

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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.