Home / 6,277.68-8,663.20-3,445.08

Finding the Fourth Proportional to 6,277.68, 8,663.20 and 3,445.08

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Solution

The fourth proportional to 6,277.68, 8,663.20 and 3,445.08 is: 4,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.68 : 8,663.20 = 3,445.08 : x
  2. Step 2: Convert to fraction form
    6,277.68/8,663.20 = 3,445.08/x
  3. Step 3: Cross multiply
    6,277.68x = 8,663.20 × 3,445.08
  4. Step 4: Simplify right side
    6,277.68x = 29,845,417.06
  5. Step 5: Solve for x
    x = 29,845,417.06/6,277.68
  6. Step 6: Final answer
    x = 4,754.21

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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.