Home / 7,216.48-10,808.92-4,288.33

Finding the Fourth Proportional to 7,216.48, 10,808.92 and 4,288.33

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Solution

The fourth proportional to 7,216.48, 10,808.92 and 4,288.33 is: 6,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.48 : 10,808.92 = 4,288.33 : x
  2. Step 2: Convert to fraction form
    7,216.48/10,808.92 = 4,288.33/x
  3. Step 3: Cross multiply
    7,216.48x = 10,808.92 × 4,288.33
  4. Step 4: Simplify right side
    7,216.48x = 46,352,215.90
  5. Step 5: Solve for x
    x = 46,352,215.90/7,216.48
  6. Step 6: Final answer
    x = 6,423.11

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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.