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Finding the Fourth Proportional to 6,642.09, 9,956.12 and 2,485.17

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Solution

The fourth proportional to 6,642.09, 9,956.12 and 2,485.17 is: 3,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.09 : 9,956.12 = 2,485.17 : x
  2. Step 2: Convert to fraction form
    6,642.09/9,956.12 = 2,485.17/x
  3. Step 3: Cross multiply
    6,642.09x = 9,956.12 × 2,485.17
  4. Step 4: Simplify right side
    6,642.09x = 24,742,638.31
  5. Step 5: Solve for x
    x = 24,742,638.31/6,642.09
  6. Step 6: Final answer
    x = 3,725.13

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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.