Home / 7,079.40-10,611.90-4,156.20

Finding the Fourth Proportional to 7,079.40, 10,611.90 and 4,156.20

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Solution

The fourth proportional to 7,079.40, 10,611.90 and 4,156.20 is: 6,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.40 : 10,611.90 = 4,156.20 : x
  2. Step 2: Convert to fraction form
    7,079.40/10,611.90 = 4,156.20/x
  3. Step 3: Cross multiply
    7,079.40x = 10,611.90 × 4,156.20
  4. Step 4: Simplify right side
    7,079.40x = 44,105,178.78
  5. Step 5: Solve for x
    x = 44,105,178.78/7,079.40
  6. Step 6: Final answer
    x = 6,230.07

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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.