Home / 4,320.89-6,487.40-2,214.03

Finding the Fourth Proportional to 4,320.89, 6,487.40 and 2,214.03

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Solution

The fourth proportional to 4,320.89, 6,487.40 and 2,214.03 is: 3,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.89 : 6,487.40 = 2,214.03 : x
  2. Step 2: Convert to fraction form
    4,320.89/6,487.40 = 2,214.03/x
  3. Step 3: Cross multiply
    4,320.89x = 6,487.40 × 2,214.03
  4. Step 4: Simplify right side
    4,320.89x = 14,363,287.15
  5. Step 5: Solve for x
    x = 14,363,287.15/4,320.89
  6. Step 6: Final answer
    x = 3,324.15

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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.