Home / 8,784.65-12,122.82-4,806.13

Finding the Fourth Proportional to 8,784.65, 12,122.82 and 4,806.13

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Solution

The fourth proportional to 8,784.65, 12,122.82 and 4,806.13 is: 6,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.65 : 12,122.82 = 4,806.13 : x
  2. Step 2: Convert to fraction form
    8,784.65/12,122.82 = 4,806.13/x
  3. Step 3: Cross multiply
    8,784.65x = 12,122.82 × 4,806.13
  4. Step 4: Simplify right side
    8,784.65x = 58,263,848.89
  5. Step 5: Solve for x
    x = 58,263,848.89/8,784.65
  6. Step 6: Final answer
    x = 6,632.46

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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.