Home / 8,078.31-11,148.02-4,541.55

Finding the Fourth Proportional to 8,078.31, 11,148.02 and 4,541.55

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Solution

The fourth proportional to 8,078.31, 11,148.02 and 4,541.55 is: 6,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.31 : 11,148.02 = 4,541.55 : x
  2. Step 2: Convert to fraction form
    8,078.31/11,148.02 = 4,541.55/x
  3. Step 3: Cross multiply
    8,078.31x = 11,148.02 × 4,541.55
  4. Step 4: Simplify right side
    8,078.31x = 50,629,267.52
  5. Step 5: Solve for x
    x = 50,629,267.52/8,078.31
  6. Step 6: Final answer
    x = 6,267.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.