Home / 8,296.80-12,434.40-5,985.60

Finding the Fourth Proportional to 8,296.80, 12,434.40 and 5,985.60

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Solution

The fourth proportional to 8,296.80, 12,434.40 and 5,985.60 is: 8,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.80 : 12,434.40 = 5,985.60 : x
  2. Step 2: Convert to fraction form
    8,296.80/12,434.40 = 5,985.60/x
  3. Step 3: Cross multiply
    8,296.80x = 12,434.40 × 5,985.60
  4. Step 4: Simplify right side
    8,296.80x = 74,427,344.64
  5. Step 5: Solve for x
    x = 74,427,344.64/8,296.80
  6. Step 6: Final answer
    x = 8,970.61

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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.