Home / 5,328.12-7,992.20-1,630.34

Finding the Fourth Proportional to 5,328.12, 7,992.20 and 1,630.34

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Solution

The fourth proportional to 5,328.12, 7,992.20 and 1,630.34 is: 2,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.12 : 7,992.20 = 1,630.34 : x
  2. Step 2: Convert to fraction form
    5,328.12/7,992.20 = 1,630.34/x
  3. Step 3: Cross multiply
    5,328.12x = 7,992.20 × 1,630.34
  4. Step 4: Simplify right side
    5,328.12x = 13,030,003.35
  5. Step 5: Solve for x
    x = 13,030,003.35/5,328.12
  6. Step 6: Final answer
    x = 2,445.52

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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.