Home / 8,697.30-13,047.54-2,858.01

Finding the Fourth Proportional to 8,697.30, 13,047.54 and 2,858.01

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Solution

The fourth proportional to 8,697.30, 13,047.54 and 2,858.01 is: 4,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.30 : 13,047.54 = 2,858.01 : x
  2. Step 2: Convert to fraction form
    8,697.30/13,047.54 = 2,858.01/x
  3. Step 3: Cross multiply
    8,697.30x = 13,047.54 × 2,858.01
  4. Step 4: Simplify right side
    8,697.30x = 37,289,999.80
  5. Step 5: Solve for x
    x = 37,289,999.80/8,697.30
  6. Step 6: Final answer
    x = 4,287.54

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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.