Home / 7,764.68-10,715.96-4,407.64

Finding the Fourth Proportional to 7,764.68, 10,715.96 and 4,407.64

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Solution

The fourth proportional to 7,764.68, 10,715.96 and 4,407.64 is: 6,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.68 : 10,715.96 = 4,407.64 : x
  2. Step 2: Convert to fraction form
    7,764.68/10,715.96 = 4,407.64/x
  3. Step 3: Cross multiply
    7,764.68x = 10,715.96 × 4,407.64
  4. Step 4: Simplify right side
    7,764.68x = 47,232,093.93
  5. Step 5: Solve for x
    x = 47,232,093.93/7,764.68
  6. Step 6: Final answer
    x = 6,082.94

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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.