Home / 5,188.96-7,785.40-3,110.45

Finding the Fourth Proportional to 5,188.96, 7,785.40 and 3,110.45

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Solution

The fourth proportional to 5,188.96, 7,785.40 and 3,110.45 is: 4,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.96 : 7,785.40 = 3,110.45 : x
  2. Step 2: Convert to fraction form
    5,188.96/7,785.40 = 3,110.45/x
  3. Step 3: Cross multiply
    5,188.96x = 7,785.40 × 3,110.45
  4. Step 4: Simplify right side
    5,188.96x = 24,216,050.73
  5. Step 5: Solve for x
    x = 24,216,050.73/5,188.96
  6. Step 6: Final answer
    x = 4,666.84

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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.