Home / 7,814.74-10,784.32-4,277.95

Finding the Fourth Proportional to 7,814.74, 10,784.32 and 4,277.95

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Solution

The fourth proportional to 7,814.74, 10,784.32 and 4,277.95 is: 5,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.74 : 10,784.32 = 4,277.95 : x
  2. Step 2: Convert to fraction form
    7,814.74/10,784.32 = 4,277.95/x
  3. Step 3: Cross multiply
    7,814.74x = 10,784.32 × 4,277.95
  4. Step 4: Simplify right side
    7,814.74x = 46,134,781.74
  5. Step 5: Solve for x
    x = 46,134,781.74/7,814.74
  6. Step 6: Final answer
    x = 5,903.56

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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.