Home / 5,055.90-6,977.04-2,817.77

Finding the Fourth Proportional to 5,055.90, 6,977.04 and 2,817.77

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Solution

The fourth proportional to 5,055.90, 6,977.04 and 2,817.77 is: 3,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.90 : 6,977.04 = 2,817.77 : x
  2. Step 2: Convert to fraction form
    5,055.90/6,977.04 = 2,817.77/x
  3. Step 3: Cross multiply
    5,055.90x = 6,977.04 × 2,817.77
  4. Step 4: Simplify right side
    5,055.90x = 19,659,694.00
  5. Step 5: Solve for x
    x = 19,659,694.00/5,055.90
  6. Step 6: Final answer
    x = 3,888.47

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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.