Home / 4,453.60-6,139.64-3,655.76

Finding the Fourth Proportional to 4,453.60, 6,139.64 and 3,655.76

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Solution

The fourth proportional to 4,453.60, 6,139.64 and 3,655.76 is: 5,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.60 : 6,139.64 = 3,655.76 : x
  2. Step 2: Convert to fraction form
    4,453.60/6,139.64 = 3,655.76/x
  3. Step 3: Cross multiply
    4,453.60x = 6,139.64 × 3,655.76
  4. Step 4: Simplify right side
    4,453.60x = 22,445,050.33
  5. Step 5: Solve for x
    x = 22,445,050.33/4,453.60
  6. Step 6: Final answer
    x = 5,039.75

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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.