Home / 5,208.90-7,814.55-1,511.18

Finding the Fourth Proportional to 5,208.90, 7,814.55 and 1,511.18

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Solution

The fourth proportional to 5,208.90, 7,814.55 and 1,511.18 is: 2,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.90 : 7,814.55 = 1,511.18 : x
  2. Step 2: Convert to fraction form
    5,208.90/7,814.55 = 1,511.18/x
  3. Step 3: Cross multiply
    5,208.90x = 7,814.55 × 1,511.18
  4. Step 4: Simplify right side
    5,208.90x = 11,809,152.60
  5. Step 5: Solve for x
    x = 11,809,152.60/5,208.90
  6. Step 6: Final answer
    x = 2,267.11

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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.