Home / 5,394.48-8,078.96-3,440.76

Finding the Fourth Proportional to 5,394.48, 8,078.96 and 3,440.76

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Solution

The fourth proportional to 5,394.48, 8,078.96 and 3,440.76 is: 5,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.48 : 8,078.96 = 3,440.76 : x
  2. Step 2: Convert to fraction form
    5,394.48/8,078.96 = 3,440.76/x
  3. Step 3: Cross multiply
    5,394.48x = 8,078.96 × 3,440.76
  4. Step 4: Simplify right side
    5,394.48x = 27,797,762.41
  5. Step 5: Solve for x
    x = 27,797,762.41/5,394.48
  6. Step 6: Final answer
    x = 5,153.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.