Home / 7,074.12-10,619.26-5,515.80

Finding the Fourth Proportional to 7,074.12, 10,619.26 and 5,515.80

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Solution

The fourth proportional to 7,074.12, 10,619.26 and 5,515.80 is: 8,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.12 : 10,619.26 = 5,515.80 : x
  2. Step 2: Convert to fraction form
    7,074.12/10,619.26 = 5,515.80/x
  3. Step 3: Cross multiply
    7,074.12x = 10,619.26 × 5,515.80
  4. Step 4: Simplify right side
    7,074.12x = 58,573,714.31
  5. Step 5: Solve for x
    x = 58,573,714.31/7,074.12
  6. Step 6: Final answer
    x = 8,280.00

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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.