Home / 5,529.48-7,617.28-4,110.72

Finding the Fourth Proportional to 5,529.48, 7,617.28 and 4,110.72

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Solution

The fourth proportional to 5,529.48, 7,617.28 and 4,110.72 is: 5,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.48 : 7,617.28 = 4,110.72 : x
  2. Step 2: Convert to fraction form
    5,529.48/7,617.28 = 4,110.72/x
  3. Step 3: Cross multiply
    5,529.48x = 7,617.28 × 4,110.72
  4. Step 4: Simplify right side
    5,529.48x = 31,312,474.11
  5. Step 5: Solve for x
    x = 31,312,474.11/5,529.48
  6. Step 6: Final answer
    x = 5,662.82

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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.