Home / 5,529.24-7,627.86-3,640.32

Finding the Fourth Proportional to 5,529.24, 7,627.86 and 3,640.32

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Solution

The fourth proportional to 5,529.24, 7,627.86 and 3,640.32 is: 5,022.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.24 : 7,627.86 = 3,640.32 : x
  2. Step 2: Convert to fraction form
    5,529.24/7,627.86 = 3,640.32/x
  3. Step 3: Cross multiply
    5,529.24x = 7,627.86 × 3,640.32
  4. Step 4: Simplify right side
    5,529.24x = 27,767,851.32
  5. Step 5: Solve for x
    x = 27,767,851.32/5,529.24
  6. Step 6: Final answer
    x = 5,022.00

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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.