Home / 7,721.54-10,655.61-4,184.66

Finding the Fourth Proportional to 7,721.54, 10,655.61 and 4,184.66

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Solution

The fourth proportional to 7,721.54, 10,655.61 and 4,184.66 is: 5,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.54 : 10,655.61 = 4,184.66 : x
  2. Step 2: Convert to fraction form
    7,721.54/10,655.61 = 4,184.66/x
  3. Step 3: Cross multiply
    7,721.54x = 10,655.61 × 4,184.66
  4. Step 4: Simplify right side
    7,721.54x = 44,590,104.94
  5. Step 5: Solve for x
    x = 44,590,104.94/7,721.54
  6. Step 6: Final answer
    x = 5,774.77

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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.