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Finding the Fourth Proportional to 7,813.35, 10,782.41 and 4,276.53

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Solution

The fourth proportional to 7,813.35, 10,782.41 and 4,276.53 is: 5,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.35 : 10,782.41 = 4,276.53 : x
  2. Step 2: Convert to fraction form
    7,813.35/10,782.41 = 4,276.53/x
  3. Step 3: Cross multiply
    7,813.35x = 10,782.41 × 4,276.53
  4. Step 4: Simplify right side
    7,813.35x = 46,111,278.45
  5. Step 5: Solve for x
    x = 46,111,278.45/7,813.35
  6. Step 6: Final answer
    x = 5,901.60

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