Home / 7,726.20-10,661.34-4,581.84

Finding the Fourth Proportional to 7,726.20, 10,661.34 and 4,581.84

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Solution

The fourth proportional to 7,726.20, 10,661.34 and 4,581.84 is: 6,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.20 : 10,661.34 = 4,581.84 : x
  2. Step 2: Convert to fraction form
    7,726.20/10,661.34 = 4,581.84/x
  3. Step 3: Cross multiply
    7,726.20x = 10,661.34 × 4,581.84
  4. Step 4: Simplify right side
    7,726.20x = 48,848,554.07
  5. Step 5: Solve for x
    x = 48,848,554.07/7,726.20
  6. Step 6: Final answer
    x = 6,322.46

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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.