Home / 5,038.73-7,558.10-1,918.00

Finding the Fourth Proportional to 5,038.73, 7,558.10 and 1,918.00

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Solution

The fourth proportional to 5,038.73, 7,558.10 and 1,918.00 is: 2,877.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.73 : 7,558.10 = 1,918.00 : x
  2. Step 2: Convert to fraction form
    5,038.73/7,558.10 = 1,918.00/x
  3. Step 3: Cross multiply
    5,038.73x = 7,558.10 × 1,918.00
  4. Step 4: Simplify right side
    5,038.73x = 14,496,442.85
  5. Step 5: Solve for x
    x = 14,496,442.85/5,038.73
  6. Step 6: Final answer
    x = 2,877.00

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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.