Home / 8,448.30-12,663.61-2,899.67

Finding the Fourth Proportional to 8,448.30, 12,663.61 and 2,899.67

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Solution

The fourth proportional to 8,448.30, 12,663.61 and 2,899.67 is: 4,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.30 : 12,663.61 = 2,899.67 : x
  2. Step 2: Convert to fraction form
    8,448.30/12,663.61 = 2,899.67/x
  3. Step 3: Cross multiply
    8,448.30x = 12,663.61 × 2,899.67
  4. Step 4: Simplify right side
    8,448.30x = 36,720,219.44
  5. Step 5: Solve for x
    x = 36,720,219.44/8,448.30
  6. Step 6: Final answer
    x = 4,346.46

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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.