Home / 6,270.48-9,406.80-1,887.57

Finding the Fourth Proportional to 6,270.48, 9,406.80 and 1,887.57

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Solution

The fourth proportional to 6,270.48, 9,406.80 and 1,887.57 is: 2,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.48 : 9,406.80 = 1,887.57 : x
  2. Step 2: Convert to fraction form
    6,270.48/9,406.80 = 1,887.57/x
  3. Step 3: Cross multiply
    6,270.48x = 9,406.80 × 1,887.57
  4. Step 4: Simplify right side
    6,270.48x = 17,755,993.48
  5. Step 5: Solve for x
    x = 17,755,993.48/6,270.48
  6. Step 6: Final answer
    x = 2,831.68

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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.