Home / 7,154.53-10,728.15-4,814.44

Finding the Fourth Proportional to 7,154.53, 10,728.15 and 4,814.44

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Solution

The fourth proportional to 7,154.53, 10,728.15 and 4,814.44 is: 7,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.53 : 10,728.15 = 4,814.44 : x
  2. Step 2: Convert to fraction form
    7,154.53/10,728.15 = 4,814.44/x
  3. Step 3: Cross multiply
    7,154.53x = 10,728.15 × 4,814.44
  4. Step 4: Simplify right side
    7,154.53x = 51,649,989.61
  5. Step 5: Solve for x
    x = 51,649,989.61/7,154.53
  6. Step 6: Final answer
    x = 7,219.20

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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.