Home / 5,460.11-8,190.14-1,564.51

Finding the Fourth Proportional to 5,460.11, 8,190.14 and 1,564.51

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Solution

The fourth proportional to 5,460.11, 8,190.14 and 1,564.51 is: 2,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.11 : 8,190.14 = 1,564.51 : x
  2. Step 2: Convert to fraction form
    5,460.11/8,190.14 = 1,564.51/x
  3. Step 3: Cross multiply
    5,460.11x = 8,190.14 × 1,564.51
  4. Step 4: Simplify right side
    5,460.11x = 12,813,555.93
  5. Step 5: Solve for x
    x = 12,813,555.93/5,460.11
  6. Step 6: Final answer
    x = 2,346.76

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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.