Home / 7,721.24-10,655.32-4,184.43

Finding the Fourth Proportional to 7,721.24, 10,655.32 and 4,184.43

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Solution

The fourth proportional to 7,721.24, 10,655.32 and 4,184.43 is: 5,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.24 : 10,655.32 = 4,184.43 : x
  2. Step 2: Convert to fraction form
    7,721.24/10,655.32 = 4,184.43/x
  3. Step 3: Cross multiply
    7,721.24x = 10,655.32 × 4,184.43
  4. Step 4: Simplify right side
    7,721.24x = 44,586,440.67
  5. Step 5: Solve for x
    x = 44,586,440.67/7,721.24
  6. Step 6: Final answer
    x = 5,774.52

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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.