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Finding the Fourth Proportional to 4,356.99, 6,534.95 and 1,395.76

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Solution

The fourth proportional to 4,356.99, 6,534.95 and 1,395.76 is: 2,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.99 : 6,534.95 = 1,395.76 : x
  2. Step 2: Convert to fraction form
    4,356.99/6,534.95 = 1,395.76/x
  3. Step 3: Cross multiply
    4,356.99x = 6,534.95 × 1,395.76
  4. Step 4: Simplify right side
    4,356.99x = 9,121,204.15
  5. Step 5: Solve for x
    x = 9,121,204.15/4,356.99
  6. Step 6: Final answer
    x = 2,093.46

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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.