Home / 7,777.28-11,673.60-4,705.28

Finding the Fourth Proportional to 7,777.28, 11,673.60 and 4,705.28

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Solution

The fourth proportional to 7,777.28, 11,673.60 and 4,705.28 is: 7,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.28 : 11,673.60 = 4,705.28 : x
  2. Step 2: Convert to fraction form
    7,777.28/11,673.60 = 4,705.28/x
  3. Step 3: Cross multiply
    7,777.28x = 11,673.60 × 4,705.28
  4. Step 4: Simplify right side
    7,777.28x = 54,927,556.61
  5. Step 5: Solve for x
    x = 54,927,556.61/7,777.28
  6. Step 6: Final answer
    x = 7,062.57

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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.