Home / 5,011.08-7,518.36-1,891.98

Finding the Fourth Proportional to 5,011.08, 7,518.36 and 1,891.98

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Solution

The fourth proportional to 5,011.08, 7,518.36 and 1,891.98 is: 2,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.08 : 7,518.36 = 1,891.98 : x
  2. Step 2: Convert to fraction form
    5,011.08/7,518.36 = 1,891.98/x
  3. Step 3: Cross multiply
    5,011.08x = 7,518.36 × 1,891.98
  4. Step 4: Simplify right side
    5,011.08x = 14,224,586.75
  5. Step 5: Solve for x
    x = 14,224,586.75/5,011.08
  6. Step 6: Final answer
    x = 2,838.63

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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.