Home / 7,455.96-10,289.52-4,269.78

Finding the Fourth Proportional to 7,455.96, 10,289.52 and 4,269.78

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Solution

The fourth proportional to 7,455.96, 10,289.52 and 4,269.78 is: 5,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.96 : 10,289.52 = 4,269.78 : x
  2. Step 2: Convert to fraction form
    7,455.96/10,289.52 = 4,269.78/x
  3. Step 3: Cross multiply
    7,455.96x = 10,289.52 × 4,269.78
  4. Step 4: Simplify right side
    7,455.96x = 43,933,986.71
  5. Step 5: Solve for x
    x = 43,933,986.71/7,455.96
  6. Step 6: Final answer
    x = 5,892.47

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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.