Home / 6,989.15-10,483.70-2,058.78

Finding the Fourth Proportional to 6,989.15, 10,483.70 and 2,058.78

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Solution

The fourth proportional to 6,989.15, 10,483.70 and 2,058.78 is: 3,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.15 : 10,483.70 = 2,058.78 : x
  2. Step 2: Convert to fraction form
    6,989.15/10,483.70 = 2,058.78/x
  3. Step 3: Cross multiply
    6,989.15x = 10,483.70 × 2,058.78
  4. Step 4: Simplify right side
    6,989.15x = 21,583,631.89
  5. Step 5: Solve for x
    x = 21,583,631.89/6,989.15
  6. Step 6: Final answer
    x = 3,088.16

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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.