Home / 8,887.42-13,331.59-2,647.18

Finding the Fourth Proportional to 8,887.42, 13,331.59 and 2,647.18

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Solution

The fourth proportional to 8,887.42, 13,331.59 and 2,647.18 is: 3,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.42 : 13,331.59 = 2,647.18 : x
  2. Step 2: Convert to fraction form
    8,887.42/13,331.59 = 2,647.18/x
  3. Step 3: Cross multiply
    8,887.42x = 13,331.59 × 2,647.18
  4. Step 4: Simplify right side
    8,887.42x = 35,291,128.46
  5. Step 5: Solve for x
    x = 35,291,128.46/8,887.42
  6. Step 6: Final answer
    x = 3,970.91

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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.