Home / 7,359.50-11,039.26-1,887.50

Finding the Fourth Proportional to 7,359.50, 11,039.26 and 1,887.50

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Solution

The fourth proportional to 7,359.50, 11,039.26 and 1,887.50 is: 2,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.50 : 11,039.26 = 1,887.50 : x
  2. Step 2: Convert to fraction form
    7,359.50/11,039.26 = 1,887.50/x
  3. Step 3: Cross multiply
    7,359.50x = 11,039.26 × 1,887.50
  4. Step 4: Simplify right side
    7,359.50x = 20,836,603.25
  5. Step 5: Solve for x
    x = 20,836,603.25/7,359.50
  6. Step 6: Final answer
    x = 2,831.25

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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.