Home / 4,318.02-6,477.09-1,977.93

Finding the Fourth Proportional to 4,318.02, 6,477.09 and 1,977.93

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Solution

The fourth proportional to 4,318.02, 6,477.09 and 1,977.93 is: 2,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.02 : 6,477.09 = 1,977.93 : x
  2. Step 2: Convert to fraction form
    4,318.02/6,477.09 = 1,977.93/x
  3. Step 3: Cross multiply
    4,318.02x = 6,477.09 × 1,977.93
  4. Step 4: Simplify right side
    4,318.02x = 12,811,230.62
  5. Step 5: Solve for x
    x = 12,811,230.62/4,318.02
  6. Step 6: Final answer
    x = 2,966.92

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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.