Home / 6,436.14-8,881.05-3,603.63

Finding the Fourth Proportional to 6,436.14, 8,881.05 and 3,603.63

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Solution

The fourth proportional to 6,436.14, 8,881.05 and 3,603.63 is: 4,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.14 : 8,881.05 = 3,603.63 : x
  2. Step 2: Convert to fraction form
    6,436.14/8,881.05 = 3,603.63/x
  3. Step 3: Cross multiply
    6,436.14x = 8,881.05 × 3,603.63
  4. Step 4: Simplify right side
    6,436.14x = 32,004,018.21
  5. Step 5: Solve for x
    x = 32,004,018.21/6,436.14
  6. Step 6: Final answer
    x = 4,972.55

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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.