Home / 7,773.90-11,660.85-4,814.70

Finding the Fourth Proportional to 7,773.90, 11,660.85 and 4,814.70

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Solution

The fourth proportional to 7,773.90, 11,660.85 and 4,814.70 is: 7,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.90 : 11,660.85 = 4,814.70 : x
  2. Step 2: Convert to fraction form
    7,773.90/11,660.85 = 4,814.70/x
  3. Step 3: Cross multiply
    7,773.90x = 11,660.85 × 4,814.70
  4. Step 4: Simplify right side
    7,773.90x = 56,143,494.50
  5. Step 5: Solve for x
    x = 56,143,494.50/7,773.90
  6. Step 6: Final answer
    x = 7,222.05

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Similar ratio
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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.