Home / 8,690.56-13,037.88-2,847.16

Finding the Fourth Proportional to 8,690.56, 13,037.88 and 2,847.16

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Solution

The fourth proportional to 8,690.56, 13,037.88 and 2,847.16 is: 4,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.56 : 13,037.88 = 2,847.16 : x
  2. Step 2: Convert to fraction form
    8,690.56/13,037.88 = 2,847.16/x
  3. Step 3: Cross multiply
    8,690.56x = 13,037.88 × 2,847.16
  4. Step 4: Simplify right side
    8,690.56x = 37,120,930.42
  5. Step 5: Solve for x
    x = 37,120,930.42/8,690.56
  6. Step 6: Final answer
    x = 4,271.41

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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.