Home / 5,077.07-7,622.49-2,613.45

Finding the Fourth Proportional to 5,077.07, 7,622.49 and 2,613.45

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Solution

The fourth proportional to 5,077.07, 7,622.49 and 2,613.45 is: 3,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.07 : 7,622.49 = 2,613.45 : x
  2. Step 2: Convert to fraction form
    5,077.07/7,622.49 = 2,613.45/x
  3. Step 3: Cross multiply
    5,077.07x = 7,622.49 × 2,613.45
  4. Step 4: Simplify right side
    5,077.07x = 19,920,996.49
  5. Step 5: Solve for x
    x = 19,920,996.49/5,077.07
  6. Step 6: Final answer
    x = 3,923.72

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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.