Home / 8,829.12-13,245.63-2,985.60

Finding the Fourth Proportional to 8,829.12, 13,245.63 and 2,985.60

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Solution

The fourth proportional to 8,829.12, 13,245.63 and 2,985.60 is: 4,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.12 : 13,245.63 = 2,985.60 : x
  2. Step 2: Convert to fraction form
    8,829.12/13,245.63 = 2,985.60/x
  3. Step 3: Cross multiply
    8,829.12x = 13,245.63 × 2,985.60
  4. Step 4: Simplify right side
    8,829.12x = 39,546,152.93
  5. Step 5: Solve for x
    x = 39,546,152.93/8,829.12
  6. Step 6: Final answer
    x = 4,479.06

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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.