Home / 5,580.56-7,690.60-4,005.92

Finding the Fourth Proportional to 5,580.56, 7,690.60 and 4,005.92

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Solution

The fourth proportional to 5,580.56, 7,690.60 and 4,005.92 is: 5,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.56 : 7,690.60 = 4,005.92 : x
  2. Step 2: Convert to fraction form
    5,580.56/7,690.60 = 4,005.92/x
  3. Step 3: Cross multiply
    5,580.56x = 7,690.60 × 4,005.92
  4. Step 4: Simplify right side
    5,580.56x = 30,807,928.35
  5. Step 5: Solve for x
    x = 30,807,928.35/5,580.56
  6. Step 6: Final answer
    x = 5,520.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.