Home / 7,827.06-10,802.45-4,843.86

Finding the Fourth Proportional to 7,827.06, 10,802.45 and 4,843.86

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Solution

The fourth proportional to 7,827.06, 10,802.45 and 4,843.86 is: 6,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.06 : 10,802.45 = 4,843.86 : x
  2. Step 2: Convert to fraction form
    7,827.06/10,802.45 = 4,843.86/x
  3. Step 3: Cross multiply
    7,827.06x = 10,802.45 × 4,843.86
  4. Step 4: Simplify right side
    7,827.06x = 52,325,501.44
  5. Step 5: Solve for x
    x = 52,325,501.44/7,827.06
  6. Step 6: Final answer
    x = 6,685.21

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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.