Home / 7,491.28-10,326.60-5,394.64

Finding the Fourth Proportional to 7,491.28, 10,326.60 and 5,394.64

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Solution

The fourth proportional to 7,491.28, 10,326.60 and 5,394.64 is: 7,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.28 : 10,326.60 = 5,394.64 : x
  2. Step 2: Convert to fraction form
    7,491.28/10,326.60 = 5,394.64/x
  3. Step 3: Cross multiply
    7,491.28x = 10,326.60 × 5,394.64
  4. Step 4: Simplify right side
    7,491.28x = 55,708,289.42
  5. Step 5: Solve for x
    x = 55,708,289.42/7,491.28
  6. Step 6: Final answer
    x = 7,436.42

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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.