Home / 7,780.43-11,675.84-4,035.67

Finding the Fourth Proportional to 7,780.43, 11,675.84 and 4,035.67

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Solution

The fourth proportional to 7,780.43, 11,675.84 and 4,035.67 is: 6,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.43 : 11,675.84 = 4,035.67 : x
  2. Step 2: Convert to fraction form
    7,780.43/11,675.84 = 4,035.67/x
  3. Step 3: Cross multiply
    7,780.43x = 11,675.84 × 4,035.67
  4. Step 4: Simplify right side
    7,780.43x = 47,119,758.66
  5. Step 5: Solve for x
    x = 47,119,758.66/7,780.43
  6. Step 6: Final answer
    x = 6,056.19

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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.