Home / 7,764.56-10,713.67-4,578.85

Finding the Fourth Proportional to 7,764.56, 10,713.67 and 4,578.85

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Solution

The fourth proportional to 7,764.56, 10,713.67 and 4,578.85 is: 6,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.56 : 10,713.67 = 4,578.85 : x
  2. Step 2: Convert to fraction form
    7,764.56/10,713.67 = 4,578.85/x
  3. Step 3: Cross multiply
    7,764.56x = 10,713.67 × 4,578.85
  4. Step 4: Simplify right side
    7,764.56x = 49,056,319.96
  5. Step 5: Solve for x
    x = 49,056,319.96/7,764.56
  6. Step 6: Final answer
    x = 6,317.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.