Home / 5,511.30-8,254.80-4,782.30

Finding the Fourth Proportional to 5,511.30, 8,254.80 and 4,782.30

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Solution

The fourth proportional to 5,511.30, 8,254.80 and 4,782.30 is: 7,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.30 : 8,254.80 = 4,782.30 : x
  2. Step 2: Convert to fraction form
    5,511.30/8,254.80 = 4,782.30/x
  3. Step 3: Cross multiply
    5,511.30x = 8,254.80 × 4,782.30
  4. Step 4: Simplify right side
    5,511.30x = 39,476,930.04
  5. Step 5: Solve for x
    x = 39,476,930.04/5,511.30
  6. Step 6: Final answer
    x = 7,162.91

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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.