Home / 6,870.52-10,291.39-4,392.73

Finding the Fourth Proportional to 6,870.52, 10,291.39 and 4,392.73

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Solution

The fourth proportional to 6,870.52, 10,291.39 and 4,392.73 is: 6,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.52 : 10,291.39 = 4,392.73 : x
  2. Step 2: Convert to fraction form
    6,870.52/10,291.39 = 4,392.73/x
  3. Step 3: Cross multiply
    6,870.52x = 10,291.39 × 4,392.73
  4. Step 4: Simplify right side
    6,870.52x = 45,207,297.59
  5. Step 5: Solve for x
    x = 45,207,297.59/6,870.52
  6. Step 6: Final answer
    x = 6,579.89

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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.