Home / 8,352.02-12,528.34-2,805.55

Finding the Fourth Proportional to 8,352.02, 12,528.34 and 2,805.55

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Solution

The fourth proportional to 8,352.02, 12,528.34 and 2,805.55 is: 4,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.02 : 12,528.34 = 2,805.55 : x
  2. Step 2: Convert to fraction form
    8,352.02/12,528.34 = 2,805.55/x
  3. Step 3: Cross multiply
    8,352.02x = 12,528.34 × 2,805.55
  4. Step 4: Simplify right side
    8,352.02x = 35,148,845.95
  5. Step 5: Solve for x
    x = 35,148,845.95/8,352.02
  6. Step 6: Final answer
    x = 4,208.42

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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.