Home / 7,715.69-10,649.66-4,529.42

Finding the Fourth Proportional to 7,715.69, 10,649.66 and 4,529.42

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Solution

The fourth proportional to 7,715.69, 10,649.66 and 4,529.42 is: 6,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.69 : 10,649.66 = 4,529.42 : x
  2. Step 2: Convert to fraction form
    7,715.69/10,649.66 = 4,529.42/x
  3. Step 3: Cross multiply
    7,715.69x = 10,649.66 × 4,529.42
  4. Step 4: Simplify right side
    7,715.69x = 48,236,783.00
  5. Step 5: Solve for x
    x = 48,236,783.00/7,715.69
  6. Step 6: Final answer
    x = 6,251.78

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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.