Home / 5,460.39-8,190.57-1,564.77

Finding the Fourth Proportional to 5,460.39, 8,190.57 and 1,564.77

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Solution

The fourth proportional to 5,460.39, 8,190.57 and 1,564.77 is: 2,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.39 : 8,190.57 = 1,564.77 : x
  2. Step 2: Convert to fraction form
    5,460.39/8,190.57 = 1,564.77/x
  3. Step 3: Cross multiply
    5,460.39x = 8,190.57 × 1,564.77
  4. Step 4: Simplify right side
    5,460.39x = 12,816,358.22
  5. Step 5: Solve for x
    x = 12,816,358.22/5,460.39
  6. Step 6: Final answer
    x = 2,347.15

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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.