Home / 8,690.92-13,036.26-2,847.92

Finding the Fourth Proportional to 8,690.92, 13,036.26 and 2,847.92

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Solution

The fourth proportional to 8,690.92, 13,036.26 and 2,847.92 is: 4,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.92 : 13,036.26 = 2,847.92 : x
  2. Step 2: Convert to fraction form
    8,690.92/13,036.26 = 2,847.92/x
  3. Step 3: Cross multiply
    8,690.92x = 13,036.26 × 2,847.92
  4. Step 4: Simplify right side
    8,690.92x = 37,126,225.58
  5. Step 5: Solve for x
    x = 37,126,225.58/8,690.92
  6. Step 6: Final answer
    x = 4,271.84

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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.