Home / 8,406.19-11,603.72-6,608.98

Finding the Fourth Proportional to 8,406.19, 11,603.72 and 6,608.98

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Solution

The fourth proportional to 8,406.19, 11,603.72 and 6,608.98 is: 9,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.19 : 11,603.72 = 6,608.98 : x
  2. Step 2: Convert to fraction form
    8,406.19/11,603.72 = 6,608.98/x
  3. Step 3: Cross multiply
    8,406.19x = 11,603.72 × 6,608.98
  4. Step 4: Simplify right side
    8,406.19x = 76,688,691.35
  5. Step 5: Solve for x
    x = 76,688,691.35/8,406.19
  6. Step 6: Final answer
    x = 9,122.89

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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.