Home / 5,558.01-8,336.40-1,661.50

Finding the Fourth Proportional to 5,558.01, 8,336.40 and 1,661.50

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Solution

The fourth proportional to 5,558.01, 8,336.40 and 1,661.50 is: 2,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.01 : 8,336.40 = 1,661.50 : x
  2. Step 2: Convert to fraction form
    5,558.01/8,336.40 = 1,661.50/x
  3. Step 3: Cross multiply
    5,558.01x = 8,336.40 × 1,661.50
  4. Step 4: Simplify right side
    5,558.01x = 13,850,928.60
  5. Step 5: Solve for x
    x = 13,850,928.60/5,558.01
  6. Step 6: Final answer
    x = 2,492.07

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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.