Home / 7,287.10-10,930.71-4,521.82

Finding the Fourth Proportional to 7,287.10, 10,930.71 and 4,521.82

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Solution

The fourth proportional to 7,287.10, 10,930.71 and 4,521.82 is: 6,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.10 : 10,930.71 = 4,521.82 : x
  2. Step 2: Convert to fraction form
    7,287.10/10,930.71 = 4,521.82/x
  3. Step 3: Cross multiply
    7,287.10x = 10,930.71 × 4,521.82
  4. Step 4: Simplify right side
    7,287.10x = 49,426,703.09
  5. Step 5: Solve for x
    x = 49,426,703.09/7,287.10
  6. Step 6: Final answer
    x = 6,782.77

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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.