Home / 4,458.42-6,153.30-2,780.10

Finding the Fourth Proportional to 4,458.42, 6,153.30 and 2,780.10

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Solution

The fourth proportional to 4,458.42, 6,153.30 and 2,780.10 is: 3,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.42 : 6,153.30 = 2,780.10 : x
  2. Step 2: Convert to fraction form
    4,458.42/6,153.30 = 2,780.10/x
  3. Step 3: Cross multiply
    4,458.42x = 6,153.30 × 2,780.10
  4. Step 4: Simplify right side
    4,458.42x = 17,106,789.33
  5. Step 5: Solve for x
    x = 17,106,789.33/4,458.42
  6. Step 6: Final answer
    x = 3,836.96

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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.