Home / 7,115.45-10,677.06-4,777.41

Finding the Fourth Proportional to 7,115.45, 10,677.06 and 4,777.41

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Solution

The fourth proportional to 7,115.45, 10,677.06 and 4,777.41 is: 7,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.45 : 10,677.06 = 4,777.41 : x
  2. Step 2: Convert to fraction form
    7,115.45/10,677.06 = 4,777.41/x
  3. Step 3: Cross multiply
    7,115.45x = 10,677.06 × 4,777.41
  4. Step 4: Simplify right side
    7,115.45x = 51,008,693.21
  5. Step 5: Solve for x
    x = 51,008,693.21/7,115.45
  6. Step 6: Final answer
    x = 7,168.72

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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.