Home / 4,808.02-7,212.09-1,887.70

Finding the Fourth Proportional to 4,808.02, 7,212.09 and 1,887.70

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Solution

The fourth proportional to 4,808.02, 7,212.09 and 1,887.70 is: 2,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.02 : 7,212.09 = 1,887.70 : x
  2. Step 2: Convert to fraction form
    4,808.02/7,212.09 = 1,887.70/x
  3. Step 3: Cross multiply
    4,808.02x = 7,212.09 × 1,887.70
  4. Step 4: Simplify right side
    4,808.02x = 13,614,262.29
  5. Step 5: Solve for x
    x = 13,614,262.29/4,808.02
  6. Step 6: Final answer
    x = 2,831.57

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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.