Home / 8,875.07-12,238.85-6,884.90

Finding the Fourth Proportional to 8,875.07, 12,238.85 and 6,884.90

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Solution

The fourth proportional to 8,875.07, 12,238.85 and 6,884.90 is: 9,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.07 : 12,238.85 = 6,884.90 : x
  2. Step 2: Convert to fraction form
    8,875.07/12,238.85 = 6,884.90/x
  3. Step 3: Cross multiply
    8,875.07x = 12,238.85 × 6,884.90
  4. Step 4: Simplify right side
    8,875.07x = 84,263,221.55
  5. Step 5: Solve for x
    x = 84,263,221.55/8,875.07
  6. Step 6: Final answer
    x = 9,494.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.