Home / 8,984.54-12,397.02-6,826.70

Finding the Fourth Proportional to 8,984.54, 12,397.02 and 6,826.70

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Solution

The fourth proportional to 8,984.54, 12,397.02 and 6,826.70 is: 9,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.54 : 12,397.02 = 6,826.70 : x
  2. Step 2: Convert to fraction form
    8,984.54/12,397.02 = 6,826.70/x
  3. Step 3: Cross multiply
    8,984.54x = 12,397.02 × 6,826.70
  4. Step 4: Simplify right side
    8,984.54x = 84,630,736.43
  5. Step 5: Solve for x
    x = 84,630,736.43/8,984.54
  6. Step 6: Final answer
    x = 9,419.60

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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.