Home / 5,656.24-8,484.18-1,961.20

Finding the Fourth Proportional to 5,656.24, 8,484.18 and 1,961.20

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Solution

The fourth proportional to 5,656.24, 8,484.18 and 1,961.20 is: 2,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.24 : 8,484.18 = 1,961.20 : x
  2. Step 2: Convert to fraction form
    5,656.24/8,484.18 = 1,961.20/x
  3. Step 3: Cross multiply
    5,656.24x = 8,484.18 × 1,961.20
  4. Step 4: Simplify right side
    5,656.24x = 16,639,173.82
  5. Step 5: Solve for x
    x = 16,639,173.82/5,656.24
  6. Step 6: Final answer
    x = 2,941.74

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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.