Home / 7,472.05-10,311.56-4,285.35

Finding the Fourth Proportional to 7,472.05, 10,311.56 and 4,285.35

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Solution

The fourth proportional to 7,472.05, 10,311.56 and 4,285.35 is: 5,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.05 : 10,311.56 = 4,285.35 : x
  2. Step 2: Convert to fraction form
    7,472.05/10,311.56 = 4,285.35/x
  3. Step 3: Cross multiply
    7,472.05x = 10,311.56 × 4,285.35
  4. Step 4: Simplify right side
    7,472.05x = 44,188,643.65
  5. Step 5: Solve for x
    x = 44,188,643.65/7,472.05
  6. Step 6: Final answer
    x = 5,913.86

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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.