Home / 8,679.96-13,022.10-4,984.56

Finding the Fourth Proportional to 8,679.96, 13,022.10 and 4,984.56

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Solution

The fourth proportional to 8,679.96, 13,022.10 and 4,984.56 is: 7,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.96 : 13,022.10 = 4,984.56 : x
  2. Step 2: Convert to fraction form
    8,679.96/13,022.10 = 4,984.56/x
  3. Step 3: Cross multiply
    8,679.96x = 13,022.10 × 4,984.56
  4. Step 4: Simplify right side
    8,679.96x = 64,909,438.78
  5. Step 5: Solve for x
    x = 64,909,438.78/8,679.96
  6. Step 6: Final answer
    x = 7,478.08

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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.