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Finding the Fourth Proportional to 6,603.37, 9,887.63 and 4,631.43

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Solution

The fourth proportional to 6,603.37, 9,887.63 and 4,631.43 is: 6,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.37 : 9,887.63 = 4,631.43 : x
  2. Step 2: Convert to fraction form
    6,603.37/9,887.63 = 4,631.43/x
  3. Step 3: Cross multiply
    6,603.37x = 9,887.63 × 4,631.43
  4. Step 4: Simplify right side
    6,603.37x = 45,793,857.08
  5. Step 5: Solve for x
    x = 45,793,857.08/6,603.37
  6. Step 6: Final answer
    x = 6,934.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.