Home / 7,721.33-10,655.33-4,184.51

Finding the Fourth Proportional to 7,721.33, 10,655.33 and 4,184.51

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Solution

The fourth proportional to 7,721.33, 10,655.33 and 4,184.51 is: 5,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.33 : 10,655.33 = 4,184.51 : x
  2. Step 2: Convert to fraction form
    7,721.33/10,655.33 = 4,184.51/x
  3. Step 3: Cross multiply
    7,721.33x = 10,655.33 × 4,184.51
  4. Step 4: Simplify right side
    7,721.33x = 44,587,260.74
  5. Step 5: Solve for x
    x = 44,587,260.74/7,721.33
  6. Step 6: Final answer
    x = 5,774.56

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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.