Home / 4,314.81-6,475.32-2,124.18

Finding the Fourth Proportional to 4,314.81, 6,475.32 and 2,124.18

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Solution

The fourth proportional to 4,314.81, 6,475.32 and 2,124.18 is: 3,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.81 : 6,475.32 = 2,124.18 : x
  2. Step 2: Convert to fraction form
    4,314.81/6,475.32 = 2,124.18/x
  3. Step 3: Cross multiply
    4,314.81x = 6,475.32 × 2,124.18
  4. Step 4: Simplify right side
    4,314.81x = 13,754,745.24
  5. Step 5: Solve for x
    x = 13,754,745.24/4,314.81
  6. Step 6: Final answer
    x = 3,187.80

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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.