Home / 8,368.29-12,538.67-4,204.08

Finding the Fourth Proportional to 8,368.29, 12,538.67 and 4,204.08

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Solution

The fourth proportional to 8,368.29, 12,538.67 and 4,204.08 is: 6,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.29 : 12,538.67 = 4,204.08 : x
  2. Step 2: Convert to fraction form
    8,368.29/12,538.67 = 4,204.08/x
  3. Step 3: Cross multiply
    8,368.29x = 12,538.67 × 4,204.08
  4. Step 4: Simplify right side
    8,368.29x = 52,713,550.75
  5. Step 5: Solve for x
    x = 52,713,550.75/8,368.29
  6. Step 6: Final answer
    x = 6,299.20

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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.