Home / 4,677.10-7,018.80-1,903.75

Finding the Fourth Proportional to 4,677.10, 7,018.80 and 1,903.75

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Solution

The fourth proportional to 4,677.10, 7,018.80 and 1,903.75 is: 2,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.10 : 7,018.80 = 1,903.75 : x
  2. Step 2: Convert to fraction form
    4,677.10/7,018.80 = 1,903.75/x
  3. Step 3: Cross multiply
    4,677.10x = 7,018.80 × 1,903.75
  4. Step 4: Simplify right side
    4,677.10x = 13,362,040.50
  5. Step 5: Solve for x
    x = 13,362,040.50/4,677.10
  6. Step 6: Final answer
    x = 2,856.91

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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.