Home / 5,647.40-8,471.10-3,804.20

Finding the Fourth Proportional to 5,647.40, 8,471.10 and 3,804.20

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Solution

The fourth proportional to 5,647.40, 8,471.10 and 3,804.20 is: 5,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.40 : 8,471.10 = 3,804.20 : x
  2. Step 2: Convert to fraction form
    5,647.40/8,471.10 = 3,804.20/x
  3. Step 3: Cross multiply
    5,647.40x = 8,471.10 × 3,804.20
  4. Step 4: Simplify right side
    5,647.40x = 32,225,758.62
  5. Step 5: Solve for x
    x = 32,225,758.62/5,647.40
  6. Step 6: Final answer
    x = 5,706.30

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Similar ratio
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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.