Home / 4,653.39-6,421.57-2,528.87

Finding the Fourth Proportional to 4,653.39, 6,421.57 and 2,528.87

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Solution

The fourth proportional to 4,653.39, 6,421.57 and 2,528.87 is: 3,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.39 : 6,421.57 = 2,528.87 : x
  2. Step 2: Convert to fraction form
    4,653.39/6,421.57 = 2,528.87/x
  3. Step 3: Cross multiply
    4,653.39x = 6,421.57 × 2,528.87
  4. Step 4: Simplify right side
    4,653.39x = 16,239,315.73
  5. Step 5: Solve for x
    x = 16,239,315.73/4,653.39
  6. Step 6: Final answer
    x = 3,489.78

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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.