Home / 7,659.24-11,483.64-3,440.88

Finding the Fourth Proportional to 7,659.24, 11,483.64 and 3,440.88

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Solution

The fourth proportional to 7,659.24, 11,483.64 and 3,440.88 is: 5,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.24 : 11,483.64 = 3,440.88 : x
  2. Step 2: Convert to fraction form
    7,659.24/11,483.64 = 3,440.88/x
  3. Step 3: Cross multiply
    7,659.24x = 11,483.64 × 3,440.88
  4. Step 4: Simplify right side
    7,659.24x = 39,513,827.20
  5. Step 5: Solve for x
    x = 39,513,827.20/7,659.24
  6. Step 6: Final answer
    x = 5,158.97

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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.