Home / 8,386.56-12,574.98-3,450.62

Finding the Fourth Proportional to 8,386.56, 12,574.98 and 3,450.62

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Solution

The fourth proportional to 8,386.56, 12,574.98 and 3,450.62 is: 5,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.56 : 12,574.98 = 3,450.62 : x
  2. Step 2: Convert to fraction form
    8,386.56/12,574.98 = 3,450.62/x
  3. Step 3: Cross multiply
    8,386.56x = 12,574.98 × 3,450.62
  4. Step 4: Simplify right side
    8,386.56x = 43,391,477.49
  5. Step 5: Solve for x
    x = 43,391,477.49/8,386.56
  6. Step 6: Final answer
    x = 5,173.93

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Double scale
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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.