Home / 5,339.09-8,012.72-2,419.45

Finding the Fourth Proportional to 5,339.09, 8,012.72 and 2,419.45

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Solution

The fourth proportional to 5,339.09, 8,012.72 and 2,419.45 is: 3,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.09 : 8,012.72 = 2,419.45 : x
  2. Step 2: Convert to fraction form
    5,339.09/8,012.72 = 2,419.45/x
  3. Step 3: Cross multiply
    5,339.09x = 8,012.72 × 2,419.45
  4. Step 4: Simplify right side
    5,339.09x = 19,386,375.40
  5. Step 5: Solve for x
    x = 19,386,375.40/5,339.09
  6. Step 6: Final answer
    x = 3,631.03

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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.