Home / 6,436.84-8,887.14-4,340.20

Finding the Fourth Proportional to 6,436.84, 8,887.14 and 4,340.20

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Solution

The fourth proportional to 6,436.84, 8,887.14 and 4,340.20 is: 5,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.84 : 8,887.14 = 4,340.20 : x
  2. Step 2: Convert to fraction form
    6,436.84/8,887.14 = 4,340.20/x
  3. Step 3: Cross multiply
    6,436.84x = 8,887.14 × 4,340.20
  4. Step 4: Simplify right side
    6,436.84x = 38,571,965.03
  5. Step 5: Solve for x
    x = 38,571,965.03/6,436.84
  6. Step 6: Final answer
    x = 5,992.38

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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.