Home / 4,868.02-7,303.11-1,405

Finding the Fourth Proportional to 4,868.02, 7,303.11 and 1,405

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Solution

The fourth proportional to 4,868.02, 7,303.11 and 1,405 is: 2,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.02 : 7,303.11 = 1,405 : x
  2. Step 2: Convert to fraction form
    4,868.02/7,303.11 = 1,405/x
  3. Step 3: Cross multiply
    4,868.02x = 7,303.11 × 1,405
  4. Step 4: Simplify right side
    4,868.02x = 10,260,869.55
  5. Step 5: Solve for x
    x = 10,260,869.55/4,868.02
  6. Step 6: Final answer
    x = 2,107.81

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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.