Home / 5,055.99-6,977.07-2,817.76

Finding the Fourth Proportional to 5,055.99, 6,977.07 and 2,817.76

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Solution

The fourth proportional to 5,055.99, 6,977.07 and 2,817.76 is: 3,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.99 : 6,977.07 = 2,817.76 : x
  2. Step 2: Convert to fraction form
    5,055.99/6,977.07 = 2,817.76/x
  3. Step 3: Cross multiply
    5,055.99x = 6,977.07 × 2,817.76
  4. Step 4: Simplify right side
    5,055.99x = 19,659,701.89
  5. Step 5: Solve for x
    x = 19,659,701.89/5,055.99
  6. Step 6: Final answer
    x = 3,888.40

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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.