Home / 8,349.75-12,525.55-2,803.47

Finding the Fourth Proportional to 8,349.75, 12,525.55 and 2,803.47

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Solution

The fourth proportional to 8,349.75, 12,525.55 and 2,803.47 is: 4,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.75 : 12,525.55 = 2,803.47 : x
  2. Step 2: Convert to fraction form
    8,349.75/12,525.55 = 2,803.47/x
  3. Step 3: Cross multiply
    8,349.75x = 12,525.55 × 2,803.47
  4. Step 4: Simplify right side
    8,349.75x = 35,114,989.64
  5. Step 5: Solve for x
    x = 35,114,989.64/8,349.75
  6. Step 6: Final answer
    x = 4,205.52

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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.