Home / 7,216.57-10,828.28-4,998.81

Finding the Fourth Proportional to 7,216.57, 10,828.28 and 4,998.81

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Solution

The fourth proportional to 7,216.57, 10,828.28 and 4,998.81 is: 7,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.57 : 10,828.28 = 4,998.81 : x
  2. Step 2: Convert to fraction form
    7,216.57/10,828.28 = 4,998.81/x
  3. Step 3: Cross multiply
    7,216.57x = 10,828.28 × 4,998.81
  4. Step 4: Simplify right side
    7,216.57x = 54,128,567.45
  5. Step 5: Solve for x
    x = 54,128,567.45/7,216.57
  6. Step 6: Final answer
    x = 7,500.59

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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.