Home / 4,877.08-6,730.34-2,781.18

Finding the Fourth Proportional to 4,877.08, 6,730.34 and 2,781.18

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Solution

The fourth proportional to 4,877.08, 6,730.34 and 2,781.18 is: 3,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.08 : 6,730.34 = 2,781.18 : x
  2. Step 2: Convert to fraction form
    4,877.08/6,730.34 = 2,781.18/x
  3. Step 3: Cross multiply
    4,877.08x = 6,730.34 × 2,781.18
  4. Step 4: Simplify right side
    4,877.08x = 18,718,287.00
  5. Step 5: Solve for x
    x = 18,718,287.00/4,877.08
  6. Step 6: Final answer
    x = 3,838.01

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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.