Home / 7,829.48-11,719.26-4,356.20

Finding the Fourth Proportional to 7,829.48, 11,719.26 and 4,356.20

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Solution

The fourth proportional to 7,829.48, 11,719.26 and 4,356.20 is: 6,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.48 : 11,719.26 = 4,356.20 : x
  2. Step 2: Convert to fraction form
    7,829.48/11,719.26 = 4,356.20/x
  3. Step 3: Cross multiply
    7,829.48x = 11,719.26 × 4,356.20
  4. Step 4: Simplify right side
    7,829.48x = 51,051,440.41
  5. Step 5: Solve for x
    x = 51,051,440.41/7,829.48
  6. Step 6: Final answer
    x = 6,520.41

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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.