Home / 7,929.36-10,940.94-4,785.72

Finding the Fourth Proportional to 7,929.36, 10,940.94 and 4,785.72

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Solution

The fourth proportional to 7,929.36, 10,940.94 and 4,785.72 is: 6,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.36 : 10,940.94 = 4,785.72 : x
  2. Step 2: Convert to fraction form
    7,929.36/10,940.94 = 4,785.72/x
  3. Step 3: Cross multiply
    7,929.36x = 10,940.94 × 4,785.72
  4. Step 4: Simplify right side
    7,929.36x = 52,360,275.38
  5. Step 5: Solve for x
    x = 52,360,275.38/7,929.36
  6. Step 6: Final answer
    x = 6,603.34

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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.