Home / 5,459.11-8,188.64-1,563.51

Finding the Fourth Proportional to 5,459.11, 8,188.64 and 1,563.51

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Solution

The fourth proportional to 5,459.11, 8,188.64 and 1,563.51 is: 2,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.11 : 8,188.64 = 1,563.51 : x
  2. Step 2: Convert to fraction form
    5,459.11/8,188.64 = 1,563.51/x
  3. Step 3: Cross multiply
    5,459.11x = 8,188.64 × 1,563.51
  4. Step 4: Simplify right side
    5,459.11x = 12,803,049.28
  5. Step 5: Solve for x
    x = 12,803,049.28/5,459.11
  6. Step 6: Final answer
    x = 2,345.26

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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.