Home / 4,412.04-6,614.36-1,638.20

Finding the Fourth Proportional to 4,412.04, 6,614.36 and 1,638.20

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Solution

The fourth proportional to 4,412.04, 6,614.36 and 1,638.20 is: 2,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.04 : 6,614.36 = 1,638.20 : x
  2. Step 2: Convert to fraction form
    4,412.04/6,614.36 = 1,638.20/x
  3. Step 3: Cross multiply
    4,412.04x = 6,614.36 × 1,638.20
  4. Step 4: Simplify right side
    4,412.04x = 10,835,644.55
  5. Step 5: Solve for x
    x = 10,835,644.55/4,412.04
  6. Step 6: Final answer
    x = 2,455.93

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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.