Home / 4,943.86-7,415.80-1,434.08

Finding the Fourth Proportional to 4,943.86, 7,415.80 and 1,434.08

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Solution

The fourth proportional to 4,943.86, 7,415.80 and 1,434.08 is: 2,151.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.86 : 7,415.80 = 1,434.08 : x
  2. Step 2: Convert to fraction form
    4,943.86/7,415.80 = 1,434.08/x
  3. Step 3: Cross multiply
    4,943.86x = 7,415.80 × 1,434.08
  4. Step 4: Simplify right side
    4,943.86x = 10,634,850.46
  5. Step 5: Solve for x
    x = 10,634,850.46/4,943.86
  6. Step 6: Final answer
    x = 2,151.12

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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.