Home / 7,079.92-10,621.63-3,523.74

Finding the Fourth Proportional to 7,079.92, 10,621.63 and 3,523.74

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Solution

The fourth proportional to 7,079.92, 10,621.63 and 3,523.74 is: 5,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.92 : 10,621.63 = 3,523.74 : x
  2. Step 2: Convert to fraction form
    7,079.92/10,621.63 = 3,523.74/x
  3. Step 3: Cross multiply
    7,079.92x = 10,621.63 × 3,523.74
  4. Step 4: Simplify right side
    7,079.92x = 37,427,827.07
  5. Step 5: Solve for x
    x = 37,427,827.07/7,079.92
  6. Step 6: Final answer
    x = 5,286.47

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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.