Home / 7,611.44-10,502.78-4,254.12

Finding the Fourth Proportional to 7,611.44, 10,502.78 and 4,254.12

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Solution

The fourth proportional to 7,611.44, 10,502.78 and 4,254.12 is: 5,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.44 : 10,502.78 = 4,254.12 : x
  2. Step 2: Convert to fraction form
    7,611.44/10,502.78 = 4,254.12/x
  3. Step 3: Cross multiply
    7,611.44x = 10,502.78 × 4,254.12
  4. Step 4: Simplify right side
    7,611.44x = 44,680,065.18
  5. Step 5: Solve for x
    x = 44,680,065.18/7,611.44
  6. Step 6: Final answer
    x = 5,870.12

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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.