Home / 7,690.19-10,611.17-4,286.45

Finding the Fourth Proportional to 7,690.19, 10,611.17 and 4,286.45

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Solution

The fourth proportional to 7,690.19, 10,611.17 and 4,286.45 is: 5,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.19 : 10,611.17 = 4,286.45 : x
  2. Step 2: Convert to fraction form
    7,690.19/10,611.17 = 4,286.45/x
  3. Step 3: Cross multiply
    7,690.19x = 10,611.17 × 4,286.45
  4. Step 4: Simplify right side
    7,690.19x = 45,484,254.74
  5. Step 5: Solve for x
    x = 45,484,254.74/7,690.19
  6. Step 6: Final answer
    x = 5,914.59

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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.