Home / 5,643.24-7,785.04-3,403.72

Finding the Fourth Proportional to 5,643.24, 7,785.04 and 3,403.72

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Solution

The fourth proportional to 5,643.24, 7,785.04 and 3,403.72 is: 4,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.24 : 7,785.04 = 3,403.72 : x
  2. Step 2: Convert to fraction form
    5,643.24/7,785.04 = 3,403.72/x
  3. Step 3: Cross multiply
    5,643.24x = 7,785.04 × 3,403.72
  4. Step 4: Simplify right side
    5,643.24x = 26,498,096.35
  5. Step 5: Solve for x
    x = 26,498,096.35/5,643.24
  6. Step 6: Final answer
    x = 4,695.55

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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.