Home / 7,845.28-10,824.37-4,658.67

Finding the Fourth Proportional to 7,845.28, 10,824.37 and 4,658.67

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Solution

The fourth proportional to 7,845.28, 10,824.37 and 4,658.67 is: 6,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.28 : 10,824.37 = 4,658.67 : x
  2. Step 2: Convert to fraction form
    7,845.28/10,824.37 = 4,658.67/x
  3. Step 3: Cross multiply
    7,845.28x = 10,824.37 × 4,658.67
  4. Step 4: Simplify right side
    7,845.28x = 50,427,156.14
  5. Step 5: Solve for x
    x = 50,427,156.14/7,845.28
  6. Step 6: Final answer
    x = 6,427.71

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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.