Home / 8,783.48-12,122.70-5,059.64

Finding the Fourth Proportional to 8,783.48, 12,122.70 and 5,059.64

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Solution

The fourth proportional to 8,783.48, 12,122.70 and 5,059.64 is: 6,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.48 : 12,122.70 = 5,059.64 : x
  2. Step 2: Convert to fraction form
    8,783.48/12,122.70 = 5,059.64/x
  3. Step 3: Cross multiply
    8,783.48x = 12,122.70 × 5,059.64
  4. Step 4: Simplify right side
    8,783.48x = 61,336,497.83
  5. Step 5: Solve for x
    x = 61,336,497.83/8,783.48
  6. Step 6: Final answer
    x = 6,983.17

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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.