Home / 5,206.16-7,814.64-3,486.80

Finding the Fourth Proportional to 5,206.16, 7,814.64 and 3,486.80

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Solution

The fourth proportional to 5,206.16, 7,814.64 and 3,486.80 is: 5,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.16 : 7,814.64 = 3,486.80 : x
  2. Step 2: Convert to fraction form
    5,206.16/7,814.64 = 3,486.80/x
  3. Step 3: Cross multiply
    5,206.16x = 7,814.64 × 3,486.80
  4. Step 4: Simplify right side
    5,206.16x = 27,248,086.75
  5. Step 5: Solve for x
    x = 27,248,086.75/5,206.16
  6. Step 6: Final answer
    x = 5,233.82

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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.