Home / 6,447.55-9,653.13-4,101.76

Finding the Fourth Proportional to 6,447.55, 9,653.13 and 4,101.76

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Solution

The fourth proportional to 6,447.55, 9,653.13 and 4,101.76 is: 6,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.55 : 9,653.13 = 4,101.76 : x
  2. Step 2: Convert to fraction form
    6,447.55/9,653.13 = 4,101.76/x
  3. Step 3: Cross multiply
    6,447.55x = 9,653.13 × 4,101.76
  4. Step 4: Simplify right side
    6,447.55x = 39,594,822.51
  5. Step 5: Solve for x
    x = 39,594,822.51/6,447.55
  6. Step 6: Final answer
    x = 6,141.06

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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.