Home / 6,412.42-9,619.80-2,031.10

Finding the Fourth Proportional to 6,412.42, 9,619.80 and 2,031.10

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Solution

The fourth proportional to 6,412.42, 9,619.80 and 2,031.10 is: 3,047.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.42 : 9,619.80 = 2,031.10 : x
  2. Step 2: Convert to fraction form
    6,412.42/9,619.80 = 2,031.10/x
  3. Step 3: Cross multiply
    6,412.42x = 9,619.80 × 2,031.10
  4. Step 4: Simplify right side
    6,412.42x = 19,538,775.78
  5. Step 5: Solve for x
    x = 19,538,775.78/6,412.42
  6. Step 6: Final answer
    x = 3,047.02

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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.