Home / 5,459.90-8,184.45-2,168.60

Finding the Fourth Proportional to 5,459.90, 8,184.45 and 2,168.60

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Solution

The fourth proportional to 5,459.90, 8,184.45 and 2,168.60 is: 3,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.90 : 8,184.45 = 2,168.60 : x
  2. Step 2: Convert to fraction form
    5,459.90/8,184.45 = 2,168.60/x
  3. Step 3: Cross multiply
    5,459.90x = 8,184.45 × 2,168.60
  4. Step 4: Simplify right side
    5,459.90x = 17,748,798.27
  5. Step 5: Solve for x
    x = 17,748,798.27/5,459.90
  6. Step 6: Final answer
    x = 3,250.76

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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.