Home / 5,613.77-8,415.14-4,782.71

Finding the Fourth Proportional to 5,613.77, 8,415.14 and 4,782.71

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Solution

The fourth proportional to 5,613.77, 8,415.14 and 4,782.71 is: 7,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.77 : 8,415.14 = 4,782.71 : x
  2. Step 2: Convert to fraction form
    5,613.77/8,415.14 = 4,782.71/x
  3. Step 3: Cross multiply
    5,613.77x = 8,415.14 × 4,782.71
  4. Step 4: Simplify right side
    5,613.77x = 40,247,174.23
  5. Step 5: Solve for x
    x = 40,247,174.23/5,613.77
  6. Step 6: Final answer
    x = 7,169.37

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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.