Home / 8,263.53-12,393.81-5,162.76

Finding the Fourth Proportional to 8,263.53, 12,393.81 and 5,162.76

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Solution

The fourth proportional to 8,263.53, 12,393.81 and 5,162.76 is: 7,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.53 : 12,393.81 = 5,162.76 : x
  2. Step 2: Convert to fraction form
    8,263.53/12,393.81 = 5,162.76/x
  3. Step 3: Cross multiply
    8,263.53x = 12,393.81 × 5,162.76
  4. Step 4: Simplify right side
    8,263.53x = 63,986,266.52
  5. Step 5: Solve for x
    x = 63,986,266.52/8,263.53
  6. Step 6: Final answer
    x = 7,743.21

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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.