Home / 8,783.67-12,121.47-6,132.62

Finding the Fourth Proportional to 8,783.67, 12,121.47 and 6,132.62

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Solution

The fourth proportional to 8,783.67, 12,121.47 and 6,132.62 is: 8,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.67 : 12,121.47 = 6,132.62 : x
  2. Step 2: Convert to fraction form
    8,783.67/12,121.47 = 6,132.62/x
  3. Step 3: Cross multiply
    8,783.67x = 12,121.47 × 6,132.62
  4. Step 4: Simplify right side
    8,783.67x = 74,336,308.74
  5. Step 5: Solve for x
    x = 74,336,308.74/8,783.67
  6. Step 6: Final answer
    x = 8,463.01

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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.