Home / 8,887.41-13,330.05-2,647.37

Finding the Fourth Proportional to 8,887.41, 13,330.05 and 2,647.37

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Solution

The fourth proportional to 8,887.41, 13,330.05 and 2,647.37 is: 3,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.41 : 13,330.05 = 2,647.37 : x
  2. Step 2: Convert to fraction form
    8,887.41/13,330.05 = 2,647.37/x
  3. Step 3: Cross multiply
    8,887.41x = 13,330.05 × 2,647.37
  4. Step 4: Simplify right side
    8,887.41x = 35,289,574.47
  5. Step 5: Solve for x
    x = 35,289,574.47/8,887.41
  6. Step 6: Final answer
    x = 3,970.74

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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.