Home / 5,554.40-8,331.60-4,325.60

Finding the Fourth Proportional to 5,554.40, 8,331.60 and 4,325.60

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Solution

The fourth proportional to 5,554.40, 8,331.60 and 4,325.60 is: 6,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.40 : 8,331.60 = 4,325.60 : x
  2. Step 2: Convert to fraction form
    5,554.40/8,331.60 = 4,325.60/x
  3. Step 3: Cross multiply
    5,554.40x = 8,331.60 × 4,325.60
  4. Step 4: Simplify right side
    5,554.40x = 36,039,168.96
  5. Step 5: Solve for x
    x = 36,039,168.96/5,554.40
  6. Step 6: Final answer
    x = 6,488.40

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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.