Home / 4,652.76-6,420.80-2,556.92

Finding the Fourth Proportional to 4,652.76, 6,420.80 and 2,556.92

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Solution

The fourth proportional to 4,652.76, 6,420.80 and 2,556.92 is: 3,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.76 : 6,420.80 = 2,556.92 : x
  2. Step 2: Convert to fraction form
    4,652.76/6,420.80 = 2,556.92/x
  3. Step 3: Cross multiply
    4,652.76x = 6,420.80 × 2,556.92
  4. Step 4: Simplify right side
    4,652.76x = 16,417,471.94
  5. Step 5: Solve for x
    x = 16,417,471.94/4,652.76
  6. Step 6: Final answer
    x = 3,528.54

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Half scale
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Double scale
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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.