Home / 5,055.84-6,977.57-2,818.08

Finding the Fourth Proportional to 5,055.84, 6,977.57 and 2,818.08

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Solution

The fourth proportional to 5,055.84, 6,977.57 and 2,818.08 is: 3,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.84 : 6,977.57 = 2,818.08 : x
  2. Step 2: Convert to fraction form
    5,055.84/6,977.57 = 2,818.08/x
  3. Step 3: Cross multiply
    5,055.84x = 6,977.57 × 2,818.08
  4. Step 4: Simplify right side
    5,055.84x = 19,663,350.47
  5. Step 5: Solve for x
    x = 19,663,350.47/5,055.84
  6. Step 6: Final answer
    x = 3,889.24

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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.