Home / 8,846.20-13,269.30-4,909.60

Finding the Fourth Proportional to 8,846.20, 13,269.30 and 4,909.60

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Solution

The fourth proportional to 8,846.20, 13,269.30 and 4,909.60 is: 7,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.20 : 13,269.30 = 4,909.60 : x
  2. Step 2: Convert to fraction form
    8,846.20/13,269.30 = 4,909.60/x
  3. Step 3: Cross multiply
    8,846.20x = 13,269.30 × 4,909.60
  4. Step 4: Simplify right side
    8,846.20x = 65,146,955.28
  5. Step 5: Solve for x
    x = 65,146,955.28/8,846.20
  6. Step 6: Final answer
    x = 7,364.40

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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.