Home / 5,238.80-7,814.06-4,875.92

Finding the Fourth Proportional to 5,238.80, 7,814.06 and 4,875.92

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Solution

The fourth proportional to 5,238.80, 7,814.06 and 4,875.92 is: 7,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.80 : 7,814.06 = 4,875.92 : x
  2. Step 2: Convert to fraction form
    5,238.80/7,814.06 = 4,875.92/x
  3. Step 3: Cross multiply
    5,238.80x = 7,814.06 × 4,875.92
  4. Step 4: Simplify right side
    5,238.80x = 38,100,731.44
  5. Step 5: Solve for x
    x = 38,100,731.44/5,238.80
  6. Step 6: Final answer
    x = 7,272.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.