Home / 7,647.08-11,475.66-4,186.76

Finding the Fourth Proportional to 7,647.08, 11,475.66 and 4,186.76

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Solution

The fourth proportional to 7,647.08, 11,475.66 and 4,186.76 is: 6,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.08 : 11,475.66 = 4,186.76 : x
  2. Step 2: Convert to fraction form
    7,647.08/11,475.66 = 4,186.76/x
  3. Step 3: Cross multiply
    7,647.08x = 11,475.66 × 4,186.76
  4. Step 4: Simplify right side
    7,647.08x = 48,045,834.26
  5. Step 5: Solve for x
    x = 48,045,834.26/7,647.08
  6. Step 6: Final answer
    x = 6,282.90

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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.