Home / 6,275.63-8,659.75-3,623.15

Finding the Fourth Proportional to 6,275.63, 8,659.75 and 3,623.15

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Solution

The fourth proportional to 6,275.63, 8,659.75 and 3,623.15 is: 4,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.63 : 8,659.75 = 3,623.15 : x
  2. Step 2: Convert to fraction form
    6,275.63/8,659.75 = 3,623.15/x
  3. Step 3: Cross multiply
    6,275.63x = 8,659.75 × 3,623.15
  4. Step 4: Simplify right side
    6,275.63x = 31,375,573.21
  5. Step 5: Solve for x
    x = 31,375,573.21/6,275.63
  6. Step 6: Final answer
    x = 4,999.59

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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.