Home / 8,389.06-12,574.36-3,456.01

Finding the Fourth Proportional to 8,389.06, 12,574.36 and 3,456.01

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Solution

The fourth proportional to 8,389.06, 12,574.36 and 3,456.01 is: 5,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.06 : 12,574.36 = 3,456.01 : x
  2. Step 2: Convert to fraction form
    8,389.06/12,574.36 = 3,456.01/x
  3. Step 3: Cross multiply
    8,389.06x = 12,574.36 × 3,456.01
  4. Step 4: Simplify right side
    8,389.06x = 43,457,097.40
  5. Step 5: Solve for x
    x = 43,457,097.40/8,389.06
  6. Step 6: Final answer
    x = 5,180.21

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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.