Home / 7,721.06-10,655.27-4,695.14

Finding the Fourth Proportional to 7,721.06, 10,655.27 and 4,695.14

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Solution

The fourth proportional to 7,721.06, 10,655.27 and 4,695.14 is: 6,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.06 : 10,655.27 = 4,695.14 : x
  2. Step 2: Convert to fraction form
    7,721.06/10,655.27 = 4,695.14/x
  3. Step 3: Cross multiply
    7,721.06x = 10,655.27 × 4,695.14
  4. Step 4: Simplify right side
    7,721.06x = 50,027,969.49
  5. Step 5: Solve for x
    x = 50,027,969.49/7,721.06
  6. Step 6: Final answer
    x = 6,479.42

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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.