Home / 7,713.86-10,645.07-4,176.99

Finding the Fourth Proportional to 7,713.86, 10,645.07 and 4,176.99

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Solution

The fourth proportional to 7,713.86, 10,645.07 and 4,176.99 is: 5,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.86 : 10,645.07 = 4,176.99 : x
  2. Step 2: Convert to fraction form
    7,713.86/10,645.07 = 4,176.99/x
  3. Step 3: Cross multiply
    7,713.86x = 10,645.07 × 4,176.99
  4. Step 4: Simplify right side
    7,713.86x = 44,464,330.05
  5. Step 5: Solve for x
    x = 44,464,330.05/7,713.86
  6. Step 6: Final answer
    x = 5,764.22

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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.