Home / 7,047.77-10,571.67-2,887.07

Finding the Fourth Proportional to 7,047.77, 10,571.67 and 2,887.07

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Solution

The fourth proportional to 7,047.77, 10,571.67 and 2,887.07 is: 4,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.77 : 10,571.67 = 2,887.07 : x
  2. Step 2: Convert to fraction form
    7,047.77/10,571.67 = 2,887.07/x
  3. Step 3: Cross multiply
    7,047.77x = 10,571.67 × 2,887.07
  4. Step 4: Simplify right side
    7,047.77x = 30,521,098.45
  5. Step 5: Solve for x
    x = 30,521,098.45/7,047.77
  6. Step 6: Final answer
    x = 4,330.61

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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.