Home / 7,712.49-10,643.43-4,729.97

Finding the Fourth Proportional to 7,712.49, 10,643.43 and 4,729.97

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Solution

The fourth proportional to 7,712.49, 10,643.43 and 4,729.97 is: 6,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.49 : 10,643.43 = 4,729.97 : x
  2. Step 2: Convert to fraction form
    7,712.49/10,643.43 = 4,729.97/x
  3. Step 3: Cross multiply
    7,712.49x = 10,643.43 × 4,729.97
  4. Step 4: Simplify right side
    7,712.49x = 50,343,104.60
  5. Step 5: Solve for x
    x = 50,343,104.60/7,712.49
  6. Step 6: Final answer
    x = 6,527.48

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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.