Home / 5,485.35-8,228.54-1,536.87

Finding the Fourth Proportional to 5,485.35, 8,228.54 and 1,536.87

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Solution

The fourth proportional to 5,485.35, 8,228.54 and 1,536.87 is: 2,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.35 : 8,228.54 = 1,536.87 : x
  2. Step 2: Convert to fraction form
    5,485.35/8,228.54 = 1,536.87/x
  3. Step 3: Cross multiply
    5,485.35x = 8,228.54 × 1,536.87
  4. Step 4: Simplify right side
    5,485.35x = 12,646,196.27
  5. Step 5: Solve for x
    x = 12,646,196.27/5,485.35
  6. Step 6: Final answer
    x = 2,305.45

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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.