Home / 4,619.28-6,931.74-2,429.58

Finding the Fourth Proportional to 4,619.28, 6,931.74 and 2,429.58

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Solution

The fourth proportional to 4,619.28, 6,931.74 and 2,429.58 is: 3,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.28 : 6,931.74 = 2,429.58 : x
  2. Step 2: Convert to fraction form
    4,619.28/6,931.74 = 2,429.58/x
  3. Step 3: Cross multiply
    4,619.28x = 6,931.74 × 2,429.58
  4. Step 4: Simplify right side
    4,619.28x = 16,841,216.87
  5. Step 5: Solve for x
    x = 16,841,216.87/4,619.28
  6. Step 6: Final answer
    x = 3,645.85

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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.