Home / 4,415.13-6,613.47-2,077.11

Finding the Fourth Proportional to 4,415.13, 6,613.47 and 2,077.11

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Solution

The fourth proportional to 4,415.13, 6,613.47 and 2,077.11 is: 3,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.13 : 6,613.47 = 2,077.11 : x
  2. Step 2: Convert to fraction form
    4,415.13/6,613.47 = 2,077.11/x
  3. Step 3: Cross multiply
    4,415.13x = 6,613.47 × 2,077.11
  4. Step 4: Simplify right side
    4,415.13x = 13,736,904.67
  5. Step 5: Solve for x
    x = 13,736,904.67/4,415.13
  6. Step 6: Final answer
    x = 3,111.33

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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.