Home / 7,215.70-10,835.90-4,458.73

Finding the Fourth Proportional to 7,215.70, 10,835.90 and 4,458.73

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Solution

The fourth proportional to 7,215.70, 10,835.90 and 4,458.73 is: 6,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.70 : 10,835.90 = 4,458.73 : x
  2. Step 2: Convert to fraction form
    7,215.70/10,835.90 = 4,458.73/x
  3. Step 3: Cross multiply
    7,215.70x = 10,835.90 × 4,458.73
  4. Step 4: Simplify right side
    7,215.70x = 48,314,275.93
  5. Step 5: Solve for x
    x = 48,314,275.93/7,215.70
  6. Step 6: Final answer
    x = 6,695.72

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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.