Home / 7,015.14-9,680.28-4,492.80

Finding the Fourth Proportional to 7,015.14, 9,680.28 and 4,492.80

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Solution

The fourth proportional to 7,015.14, 9,680.28 and 4,492.80 is: 6,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.14 : 9,680.28 = 4,492.80 : x
  2. Step 2: Convert to fraction form
    7,015.14/9,680.28 = 4,492.80/x
  3. Step 3: Cross multiply
    7,015.14x = 9,680.28 × 4,492.80
  4. Step 4: Simplify right side
    7,015.14x = 43,491,561.98
  5. Step 5: Solve for x
    x = 43,491,561.98/7,015.14
  6. Step 6: Final answer
    x = 6,199.67

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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.