Home / 8,885.34-13,326.79-2,646.31

Finding the Fourth Proportional to 8,885.34, 13,326.79 and 2,646.31

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Solution

The fourth proportional to 8,885.34, 13,326.79 and 2,646.31 is: 3,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.34 : 13,326.79 = 2,646.31 : x
  2. Step 2: Convert to fraction form
    8,885.34/13,326.79 = 2,646.31/x
  3. Step 3: Cross multiply
    8,885.34x = 13,326.79 × 2,646.31
  4. Step 4: Simplify right side
    8,885.34x = 35,266,817.64
  5. Step 5: Solve for x
    x = 35,266,817.64/8,885.34
  6. Step 6: Final answer
    x = 3,969.10

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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.