Home / 7,360.05-10,156.83-4,002.80

Finding the Fourth Proportional to 7,360.05, 10,156.83 and 4,002.80

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Solution

The fourth proportional to 7,360.05, 10,156.83 and 4,002.80 is: 5,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.05 : 10,156.83 = 4,002.80 : x
  2. Step 2: Convert to fraction form
    7,360.05/10,156.83 = 4,002.80/x
  3. Step 3: Cross multiply
    7,360.05x = 10,156.83 × 4,002.80
  4. Step 4: Simplify right side
    7,360.05x = 40,655,708.34
  5. Step 5: Solve for x
    x = 40,655,708.34/7,360.05
  6. Step 6: Final answer
    x = 5,523.84

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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.