Home / 4,421.55-6,630.20-2,079.58

Finding the Fourth Proportional to 4,421.55, 6,630.20 and 2,079.58

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Solution

The fourth proportional to 4,421.55, 6,630.20 and 2,079.58 is: 3,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.55 : 6,630.20 = 2,079.58 : x
  2. Step 2: Convert to fraction form
    4,421.55/6,630.20 = 2,079.58/x
  3. Step 3: Cross multiply
    4,421.55x = 6,630.20 × 2,079.58
  4. Step 4: Simplify right side
    4,421.55x = 13,788,026.95
  5. Step 5: Solve for x
    x = 13,788,026.95/4,421.55
  6. Step 6: Final answer
    x = 3,118.37

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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.