Home / 5,368.06-7,407.39-2,977.99

Finding the Fourth Proportional to 5,368.06, 7,407.39 and 2,977.99

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Solution

The fourth proportional to 5,368.06, 7,407.39 and 2,977.99 is: 4,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.06 : 7,407.39 = 2,977.99 : x
  2. Step 2: Convert to fraction form
    5,368.06/7,407.39 = 2,977.99/x
  3. Step 3: Cross multiply
    5,368.06x = 7,407.39 × 2,977.99
  4. Step 4: Simplify right side
    5,368.06x = 22,059,133.35
  5. Step 5: Solve for x
    x = 22,059,133.35/5,368.06
  6. Step 6: Final answer
    x = 4,109.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.