Home / 7,027.07-9,699.39-4,638.78

Finding the Fourth Proportional to 7,027.07, 9,699.39 and 4,638.78

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Solution

The fourth proportional to 7,027.07, 9,699.39 and 4,638.78 is: 6,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.07 : 9,699.39 = 4,638.78 : x
  2. Step 2: Convert to fraction form
    7,027.07/9,699.39 = 4,638.78/x
  3. Step 3: Cross multiply
    7,027.07x = 9,699.39 × 4,638.78
  4. Step 4: Simplify right side
    7,027.07x = 44,993,336.34
  5. Step 5: Solve for x
    x = 44,993,336.34/7,027.07
  6. Step 6: Final answer
    x = 6,402.86

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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.