Home / 5,209.02-7,814.82-1,511.52

Finding the Fourth Proportional to 5,209.02, 7,814.82 and 1,511.52

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Solution

The fourth proportional to 5,209.02, 7,814.82 and 1,511.52 is: 2,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.02 : 7,814.82 = 1,511.52 : x
  2. Step 2: Convert to fraction form
    5,209.02/7,814.82 = 1,511.52/x
  3. Step 3: Cross multiply
    5,209.02x = 7,814.82 × 1,511.52
  4. Step 4: Simplify right side
    5,209.02x = 11,812,256.73
  5. Step 5: Solve for x
    x = 11,812,256.73/5,209.02
  6. Step 6: Final answer
    x = 2,267.65

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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.