Home / 5,058.37-6,980.16-2,820.34

Finding the Fourth Proportional to 5,058.37, 6,980.16 and 2,820.34

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Solution

The fourth proportional to 5,058.37, 6,980.16 and 2,820.34 is: 3,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.37 : 6,980.16 = 2,820.34 : x
  2. Step 2: Convert to fraction form
    5,058.37/6,980.16 = 2,820.34/x
  3. Step 3: Cross multiply
    5,058.37x = 6,980.16 × 2,820.34
  4. Step 4: Simplify right side
    5,058.37x = 19,686,424.45
  5. Step 5: Solve for x
    x = 19,686,424.45/5,058.37
  6. Step 6: Final answer
    x = 3,891.85

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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.