Home / 4,615.08-6,889.38-4,287.03

Finding the Fourth Proportional to 4,615.08, 6,889.38 and 4,287.03

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Solution

The fourth proportional to 4,615.08, 6,889.38 and 4,287.03 is: 6,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.08 : 6,889.38 = 4,287.03 : x
  2. Step 2: Convert to fraction form
    4,615.08/6,889.38 = 4,287.03/x
  3. Step 3: Cross multiply
    4,615.08x = 6,889.38 × 4,287.03
  4. Step 4: Simplify right side
    4,615.08x = 29,534,978.74
  5. Step 5: Solve for x
    x = 29,534,978.74/4,615.08
  6. Step 6: Final answer
    x = 6,399.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.