Home / 7,529.81-11,292.35-3,146.36

Finding the Fourth Proportional to 7,529.81, 11,292.35 and 3,146.36

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Solution

The fourth proportional to 7,529.81, 11,292.35 and 3,146.36 is: 4,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.81 : 11,292.35 = 3,146.36 : x
  2. Step 2: Convert to fraction form
    7,529.81/11,292.35 = 3,146.36/x
  3. Step 3: Cross multiply
    7,529.81x = 11,292.35 × 3,146.36
  4. Step 4: Simplify right side
    7,529.81x = 35,529,726.15
  5. Step 5: Solve for x
    x = 35,529,726.15/7,529.81
  6. Step 6: Final answer
    x = 4,718.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.