Home / 6,641.28-9,163.80-4,877.10

Finding the Fourth Proportional to 6,641.28, 9,163.80 and 4,877.10

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Solution

The fourth proportional to 6,641.28, 9,163.80 and 4,877.10 is: 6,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.28 : 9,163.80 = 4,877.10 : x
  2. Step 2: Convert to fraction form
    6,641.28/9,163.80 = 4,877.10/x
  3. Step 3: Cross multiply
    6,641.28x = 9,163.80 × 4,877.10
  4. Step 4: Simplify right side
    6,641.28x = 44,692,768.98
  5. Step 5: Solve for x
    x = 44,692,768.98/6,641.28
  6. Step 6: Final answer
    x = 6,729.54

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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.