Home / 7,390.64-10,198.28-4,557.52

Finding the Fourth Proportional to 7,390.64, 10,198.28 and 4,557.52

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Solution

The fourth proportional to 7,390.64, 10,198.28 and 4,557.52 is: 6,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.64 : 10,198.28 = 4,557.52 : x
  2. Step 2: Convert to fraction form
    7,390.64/10,198.28 = 4,557.52/x
  3. Step 3: Cross multiply
    7,390.64x = 10,198.28 × 4,557.52
  4. Step 4: Simplify right side
    7,390.64x = 46,478,865.07
  5. Step 5: Solve for x
    x = 46,478,865.07/7,390.64
  6. Step 6: Final answer
    x = 6,288.88

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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.