Home / 7,299.20-10,071.38-4,645.64

Finding the Fourth Proportional to 7,299.20, 10,071.38 and 4,645.64

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Solution

The fourth proportional to 7,299.20, 10,071.38 and 4,645.64 is: 6,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.20 : 10,071.38 = 4,645.64 : x
  2. Step 2: Convert to fraction form
    7,299.20/10,071.38 = 4,645.64/x
  3. Step 3: Cross multiply
    7,299.20x = 10,071.38 × 4,645.64
  4. Step 4: Simplify right side
    7,299.20x = 46,787,932.20
  5. Step 5: Solve for x
    x = 46,787,932.20/7,299.20
  6. Step 6: Final answer
    x = 6,410.01

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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.