Home / 7,519.36-10,377.12-4,725.76

Finding the Fourth Proportional to 7,519.36, 10,377.12 and 4,725.76

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Solution

The fourth proportional to 7,519.36, 10,377.12 and 4,725.76 is: 6,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.36 : 10,377.12 = 4,725.76 : x
  2. Step 2: Convert to fraction form
    7,519.36/10,377.12 = 4,725.76/x
  3. Step 3: Cross multiply
    7,519.36x = 10,377.12 × 4,725.76
  4. Step 4: Simplify right side
    7,519.36x = 49,039,778.61
  5. Step 5: Solve for x
    x = 49,039,778.61/7,519.36
  6. Step 6: Final answer
    x = 6,521.80

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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.