Home / 4,977.08-6,869.04-2,881.34

Finding the Fourth Proportional to 4,977.08, 6,869.04 and 2,881.34

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Solution

The fourth proportional to 4,977.08, 6,869.04 and 2,881.34 is: 3,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.08 : 6,869.04 = 2,881.34 : x
  2. Step 2: Convert to fraction form
    4,977.08/6,869.04 = 2,881.34/x
  3. Step 3: Cross multiply
    4,977.08x = 6,869.04 × 2,881.34
  4. Step 4: Simplify right side
    4,977.08x = 19,792,039.71
  5. Step 5: Solve for x
    x = 19,792,039.71/4,977.08
  6. Step 6: Final answer
    x = 3,976.64

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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.