Home / 5,459.64-8,187.18-2,687.62

Finding the Fourth Proportional to 5,459.64, 8,187.18 and 2,687.62

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Solution

The fourth proportional to 5,459.64, 8,187.18 and 2,687.62 is: 4,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.64 : 8,187.18 = 2,687.62 : x
  2. Step 2: Convert to fraction form
    5,459.64/8,187.18 = 2,687.62/x
  3. Step 3: Cross multiply
    5,459.64x = 8,187.18 × 2,687.62
  4. Step 4: Simplify right side
    5,459.64x = 22,004,008.24
  5. Step 5: Solve for x
    x = 22,004,008.24/5,459.64
  6. Step 6: Final answer
    x = 4,030.30

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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.