Home / 4,321.69-6,483.17-2,130.55

Finding the Fourth Proportional to 4,321.69, 6,483.17 and 2,130.55

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Solution

The fourth proportional to 4,321.69, 6,483.17 and 2,130.55 is: 3,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.69 : 6,483.17 = 2,130.55 : x
  2. Step 2: Convert to fraction form
    4,321.69/6,483.17 = 2,130.55/x
  3. Step 3: Cross multiply
    4,321.69x = 6,483.17 × 2,130.55
  4. Step 4: Simplify right side
    4,321.69x = 13,812,717.84
  5. Step 5: Solve for x
    x = 13,812,717.84/4,321.69
  6. Step 6: Final answer
    x = 3,196.14

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1.5x scale

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.