Home / 9,775.20-14,663.70-3,930.60

Finding the Fourth Proportional to 9,775.20, 14,663.70 and 3,930.60

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Solution

The fourth proportional to 9,775.20, 14,663.70 and 3,930.60 is: 5,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.20 : 14,663.70 = 3,930.60 : x
  2. Step 2: Convert to fraction form
    9,775.20/14,663.70 = 3,930.60/x
  3. Step 3: Cross multiply
    9,775.20x = 14,663.70 × 3,930.60
  4. Step 4: Simplify right side
    9,775.20x = 57,637,139.22
  5. Step 5: Solve for x
    x = 57,637,139.22/9,775.20
  6. Step 6: Final answer
    x = 5,896.26

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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.