Home / 5,055.64-6,977.19-2,818.24

Finding the Fourth Proportional to 5,055.64, 6,977.19 and 2,818.24

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Solution

The fourth proportional to 5,055.64, 6,977.19 and 2,818.24 is: 3,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.64 : 6,977.19 = 2,818.24 : x
  2. Step 2: Convert to fraction form
    5,055.64/6,977.19 = 2,818.24/x
  3. Step 3: Cross multiply
    5,055.64x = 6,977.19 × 2,818.24
  4. Step 4: Simplify right side
    5,055.64x = 19,663,395.95
  5. Step 5: Solve for x
    x = 19,663,395.95/5,055.64
  6. Step 6: Final answer
    x = 3,889.40

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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.