Home / 8,655.35-11,946.33-5,669.46

Finding the Fourth Proportional to 8,655.35, 11,946.33 and 5,669.46

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Solution

The fourth proportional to 8,655.35, 11,946.33 and 5,669.46 is: 7,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.35 : 11,946.33 = 5,669.46 : x
  2. Step 2: Convert to fraction form
    8,655.35/11,946.33 = 5,669.46/x
  3. Step 3: Cross multiply
    8,655.35x = 11,946.33 × 5,669.46
  4. Step 4: Simplify right side
    8,655.35x = 67,729,240.08
  5. Step 5: Solve for x
    x = 67,729,240.08/8,655.35
  6. Step 6: Final answer
    x = 7,825.13

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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.