Home / 6,435.61-8,881.09-3,603.01

Finding the Fourth Proportional to 6,435.61, 8,881.09 and 3,603.01

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Solution

The fourth proportional to 6,435.61, 8,881.09 and 3,603.01 is: 4,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.61 : 8,881.09 = 3,603.01 : x
  2. Step 2: Convert to fraction form
    6,435.61/8,881.09 = 3,603.01/x
  3. Step 3: Cross multiply
    6,435.61x = 8,881.09 × 3,603.01
  4. Step 4: Simplify right side
    6,435.61x = 31,998,631.67
  5. Step 5: Solve for x
    x = 31,998,631.67/6,435.61
  6. Step 6: Final answer
    x = 4,972.12

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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.