Home / 8,946.88-13,420.48-3,103.68

Finding the Fourth Proportional to 8,946.88, 13,420.48 and 3,103.68

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Solution

The fourth proportional to 8,946.88, 13,420.48 and 3,103.68 is: 4,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.88 : 13,420.48 = 3,103.68 : x
  2. Step 2: Convert to fraction form
    8,946.88/13,420.48 = 3,103.68/x
  3. Step 3: Cross multiply
    8,946.88x = 13,420.48 × 3,103.68
  4. Step 4: Simplify right side
    8,946.88x = 41,652,875.37
  5. Step 5: Solve for x
    x = 41,652,875.37/8,946.88
  6. Step 6: Final answer
    x = 4,655.58

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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.