Home / 6,253.06-8,628.96-3,420.31

Finding the Fourth Proportional to 6,253.06, 8,628.96 and 3,420.31

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Solution

The fourth proportional to 6,253.06, 8,628.96 and 3,420.31 is: 4,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.06 : 8,628.96 = 3,420.31 : x
  2. Step 2: Convert to fraction form
    6,253.06/8,628.96 = 3,420.31/x
  3. Step 3: Cross multiply
    6,253.06x = 8,628.96 × 3,420.31
  4. Step 4: Simplify right side
    6,253.06x = 29,513,718.18
  5. Step 5: Solve for x
    x = 29,513,718.18/6,253.06
  6. Step 6: Final answer
    x = 4,719.88

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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.