Home / 4,220.63-6,330.93-1,448.10

Finding the Fourth Proportional to 4,220.63, 6,330.93 and 1,448.10

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Solution

The fourth proportional to 4,220.63, 6,330.93 and 1,448.10 is: 2,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.63 : 6,330.93 = 1,448.10 : x
  2. Step 2: Convert to fraction form
    4,220.63/6,330.93 = 1,448.10/x
  3. Step 3: Cross multiply
    4,220.63x = 6,330.93 × 1,448.10
  4. Step 4: Simplify right side
    4,220.63x = 9,167,819.73
  5. Step 5: Solve for x
    x = 9,167,819.73/4,220.63
  6. Step 6: Final answer
    x = 2,172.15

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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.