Home / 6,929.19-10,393.52-3,810.65

Finding the Fourth Proportional to 6,929.19, 10,393.52 and 3,810.65

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Solution

The fourth proportional to 6,929.19, 10,393.52 and 3,810.65 is: 5,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.19 : 10,393.52 = 3,810.65 : x
  2. Step 2: Convert to fraction form
    6,929.19/10,393.52 = 3,810.65/x
  3. Step 3: Cross multiply
    6,929.19x = 10,393.52 × 3,810.65
  4. Step 4: Simplify right side
    6,929.19x = 39,605,995.97
  5. Step 5: Solve for x
    x = 39,605,995.97/6,929.19
  6. Step 6: Final answer
    x = 5,715.82

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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.