Home / 5,985.12-8,263.92-3,630.45

Finding the Fourth Proportional to 5,985.12, 8,263.92 and 3,630.45

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Solution

The fourth proportional to 5,985.12, 8,263.92 and 3,630.45 is: 5,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.12 : 8,263.92 = 3,630.45 : x
  2. Step 2: Convert to fraction form
    5,985.12/8,263.92 = 3,630.45/x
  3. Step 3: Cross multiply
    5,985.12x = 8,263.92 × 3,630.45
  4. Step 4: Simplify right side
    5,985.12x = 30,001,748.36
  5. Step 5: Solve for x
    x = 30,001,748.36/5,985.12
  6. Step 6: Final answer
    x = 5,012.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.