Home / 7,946.19-11,921.25-5,610.77

Finding the Fourth Proportional to 7,946.19, 11,921.25 and 5,610.77

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Solution

The fourth proportional to 7,946.19, 11,921.25 and 5,610.77 is: 8,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.19 : 11,921.25 = 5,610.77 : x
  2. Step 2: Convert to fraction form
    7,946.19/11,921.25 = 5,610.77/x
  3. Step 3: Cross multiply
    7,946.19x = 11,921.25 × 5,610.77
  4. Step 4: Simplify right side
    7,946.19x = 66,887,376.96
  5. Step 5: Solve for x
    x = 66,887,376.96/7,946.19
  6. Step 6: Final answer
    x = 8,417.54

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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.