Home / 6,989.10-10,485.45-2,058.75

Finding the Fourth Proportional to 6,989.10, 10,485.45 and 2,058.75

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Solution

The fourth proportional to 6,989.10, 10,485.45 and 2,058.75 is: 3,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.10 : 10,485.45 = 2,058.75 : x
  2. Step 2: Convert to fraction form
    6,989.10/10,485.45 = 2,058.75/x
  3. Step 3: Cross multiply
    6,989.10x = 10,485.45 × 2,058.75
  4. Step 4: Simplify right side
    6,989.10x = 21,586,920.19
  5. Step 5: Solve for x
    x = 21,586,920.19/6,989.10
  6. Step 6: Final answer
    x = 3,088.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.