Home / 5,518.64-7,617.72-3,656.24

Finding the Fourth Proportional to 5,518.64, 7,617.72 and 3,656.24

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Solution

The fourth proportional to 5,518.64, 7,617.72 and 3,656.24 is: 5,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.64 : 7,617.72 = 3,656.24 : x
  2. Step 2: Convert to fraction form
    5,518.64/7,617.72 = 3,656.24/x
  3. Step 3: Cross multiply
    5,518.64x = 7,617.72 × 3,656.24
  4. Step 4: Simplify right side
    5,518.64x = 27,852,212.57
  5. Step 5: Solve for x
    x = 27,852,212.57/5,518.64
  6. Step 6: Final answer
    x = 5,046.93

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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.