Home / 6,386.84-9,577.89-2,225.78

Finding the Fourth Proportional to 6,386.84, 9,577.89 and 2,225.78

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Solution

The fourth proportional to 6,386.84, 9,577.89 and 2,225.78 is: 3,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.84 : 9,577.89 = 2,225.78 : x
  2. Step 2: Convert to fraction form
    6,386.84/9,577.89 = 2,225.78/x
  3. Step 3: Cross multiply
    6,386.84x = 9,577.89 × 2,225.78
  4. Step 4: Simplify right side
    6,386.84x = 21,318,276.00
  5. Step 5: Solve for x
    x = 21,318,276.00/6,386.84
  6. Step 6: Final answer
    x = 3,337.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.