Home / 8,884.34-12,261.35-6,642.37

Finding the Fourth Proportional to 8,884.34, 12,261.35 and 6,642.37

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Solution

The fourth proportional to 8,884.34, 12,261.35 and 6,642.37 is: 9,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.34 : 12,261.35 = 6,642.37 : x
  2. Step 2: Convert to fraction form
    8,884.34/12,261.35 = 6,642.37/x
  3. Step 3: Cross multiply
    8,884.34x = 12,261.35 × 6,642.37
  4. Step 4: Simplify right side
    8,884.34x = 81,444,423.40
  5. Step 5: Solve for x
    x = 81,444,423.40/8,884.34
  6. Step 6: Final answer
    x = 9,167.19

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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.