Home / 9,772.56-14,660.40-4,227.60

Finding the Fourth Proportional to 9,772.56, 14,660.40 and 4,227.60

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Solution

The fourth proportional to 9,772.56, 14,660.40 and 4,227.60 is: 6,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.56 : 14,660.40 = 4,227.60 : x
  2. Step 2: Convert to fraction form
    9,772.56/14,660.40 = 4,227.60/x
  3. Step 3: Cross multiply
    9,772.56x = 14,660.40 × 4,227.60
  4. Step 4: Simplify right side
    9,772.56x = 61,978,307.04
  5. Step 5: Solve for x
    x = 61,978,307.04/9,772.56
  6. Step 6: Final answer
    x = 6,342.07

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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.