Home / 8,281.90-11,429.94-4,745.08

Finding the Fourth Proportional to 8,281.90, 11,429.94 and 4,745.08

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Solution

The fourth proportional to 8,281.90, 11,429.94 and 4,745.08 is: 6,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.90 : 11,429.94 = 4,745.08 : x
  2. Step 2: Convert to fraction form
    8,281.90/11,429.94 = 4,745.08/x
  3. Step 3: Cross multiply
    8,281.90x = 11,429.94 × 4,745.08
  4. Step 4: Simplify right side
    8,281.90x = 54,235,979.70
  5. Step 5: Solve for x
    x = 54,235,979.70/8,281.90
  6. Step 6: Final answer
    x = 6,548.74

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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.