Home / 5,513.77-8,270.61-1,353.92

Finding the Fourth Proportional to 5,513.77, 8,270.61 and 1,353.92

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Solution

The fourth proportional to 5,513.77, 8,270.61 and 1,353.92 is: 2,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.77 : 8,270.61 = 1,353.92 : x
  2. Step 2: Convert to fraction form
    5,513.77/8,270.61 = 1,353.92/x
  3. Step 3: Cross multiply
    5,513.77x = 8,270.61 × 1,353.92
  4. Step 4: Simplify right side
    5,513.77x = 11,197,697.86
  5. Step 5: Solve for x
    x = 11,197,697.86/5,513.77
  6. Step 6: Final answer
    x = 2,030.86

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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.