Home / 5,461.19-8,190.88-1,564.69

Finding the Fourth Proportional to 5,461.19, 8,190.88 and 1,564.69

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Solution

The fourth proportional to 5,461.19, 8,190.88 and 1,564.69 is: 2,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.19 : 8,190.88 = 1,564.69 : x
  2. Step 2: Convert to fraction form
    5,461.19/8,190.88 = 1,564.69/x
  3. Step 3: Cross multiply
    5,461.19x = 8,190.88 × 1,564.69
  4. Step 4: Simplify right side
    5,461.19x = 12,816,163.64
  5. Step 5: Solve for x
    x = 12,816,163.64/5,461.19
  6. Step 6: Final answer
    x = 2,346.77

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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.