Home / 4,429.50-6,643.53-3,127.02

Finding the Fourth Proportional to 4,429.50, 6,643.53 and 3,127.02

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Solution

The fourth proportional to 4,429.50, 6,643.53 and 3,127.02 is: 4,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.50 : 6,643.53 = 3,127.02 : x
  2. Step 2: Convert to fraction form
    4,429.50/6,643.53 = 3,127.02/x
  3. Step 3: Cross multiply
    4,429.50x = 6,643.53 × 3,127.02
  4. Step 4: Simplify right side
    4,429.50x = 20,774,451.18
  5. Step 5: Solve for x
    x = 20,774,451.18/4,429.50
  6. Step 6: Final answer
    x = 4,690.02

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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.