Home / 6,519.04-8,987.34-4,127.80

Finding the Fourth Proportional to 6,519.04, 8,987.34 and 4,127.80

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Solution

The fourth proportional to 6,519.04, 8,987.34 and 4,127.80 is: 5,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.04 : 8,987.34 = 4,127.80 : x
  2. Step 2: Convert to fraction form
    6,519.04/8,987.34 = 4,127.80/x
  3. Step 3: Cross multiply
    6,519.04x = 8,987.34 × 4,127.80
  4. Step 4: Simplify right side
    6,519.04x = 37,097,942.05
  5. Step 5: Solve for x
    x = 37,097,942.05/6,519.04
  6. Step 6: Final answer
    x = 5,690.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.