Home / 7,904.91-10,914.08-4,921.95

Finding the Fourth Proportional to 7,904.91, 10,914.08 and 4,921.95

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Solution

The fourth proportional to 7,904.91, 10,914.08 and 4,921.95 is: 6,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.91 : 10,914.08 = 4,921.95 : x
  2. Step 2: Convert to fraction form
    7,904.91/10,914.08 = 4,921.95/x
  3. Step 3: Cross multiply
    7,904.91x = 10,914.08 × 4,921.95
  4. Step 4: Simplify right side
    7,904.91x = 53,718,531.45
  5. Step 5: Solve for x
    x = 53,718,531.45/7,904.91
  6. Step 6: Final answer
    x = 6,795.59

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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.