Home / 7,518.42-11,275.20-2,586.60

Finding the Fourth Proportional to 7,518.42, 11,275.20 and 2,586.60

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Solution

The fourth proportional to 7,518.42, 11,275.20 and 2,586.60 is: 3,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.42 : 11,275.20 = 2,586.60 : x
  2. Step 2: Convert to fraction form
    7,518.42/11,275.20 = 2,586.60/x
  3. Step 3: Cross multiply
    7,518.42x = 11,275.20 × 2,586.60
  4. Step 4: Simplify right side
    7,518.42x = 29,164,432.32
  5. Step 5: Solve for x
    x = 29,164,432.32/7,518.42
  6. Step 6: Final answer
    x = 3,879.06

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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.