Home / 7,719.48-10,652.85-4,182.60

Finding the Fourth Proportional to 7,719.48, 10,652.85 and 4,182.60

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Solution

The fourth proportional to 7,719.48, 10,652.85 and 4,182.60 is: 5,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.48 : 10,652.85 = 4,182.60 : x
  2. Step 2: Convert to fraction form
    7,719.48/10,652.85 = 4,182.60/x
  3. Step 3: Cross multiply
    7,719.48x = 10,652.85 × 4,182.60
  4. Step 4: Simplify right side
    7,719.48x = 44,556,610.41
  5. Step 5: Solve for x
    x = 44,556,610.41/7,719.48
  6. Step 6: Final answer
    x = 5,771.97

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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.