Home / 7,520.23-10,377.58-4,162.80

Finding the Fourth Proportional to 7,520.23, 10,377.58 and 4,162.80

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Solution

The fourth proportional to 7,520.23, 10,377.58 and 4,162.80 is: 5,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.23 : 10,377.58 = 4,162.80 : x
  2. Step 2: Convert to fraction form
    7,520.23/10,377.58 = 4,162.80/x
  3. Step 3: Cross multiply
    7,520.23x = 10,377.58 × 4,162.80
  4. Step 4: Simplify right side
    7,520.23x = 43,199,818.53
  5. Step 5: Solve for x
    x = 43,199,818.53/7,520.23
  6. Step 6: Final answer
    x = 5,744.48

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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.