Home / 5,158.17-7,118.14-2,800.26

Finding the Fourth Proportional to 5,158.17, 7,118.14 and 2,800.26

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Solution

The fourth proportional to 5,158.17, 7,118.14 and 2,800.26 is: 3,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.17 : 7,118.14 = 2,800.26 : x
  2. Step 2: Convert to fraction form
    5,158.17/7,118.14 = 2,800.26/x
  3. Step 3: Cross multiply
    5,158.17x = 7,118.14 × 2,800.26
  4. Step 4: Simplify right side
    5,158.17x = 19,932,642.72
  5. Step 5: Solve for x
    x = 19,932,642.72/5,158.17
  6. Step 6: Final answer
    x = 3,864.29

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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.