Home / 9,518.75-14,278.52-2,945.06

Finding the Fourth Proportional to 9,518.75, 14,278.52 and 2,945.06

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Solution

The fourth proportional to 9,518.75, 14,278.52 and 2,945.06 is: 4,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.75 : 14,278.52 = 2,945.06 : x
  2. Step 2: Convert to fraction form
    9,518.75/14,278.52 = 2,945.06/x
  3. Step 3: Cross multiply
    9,518.75x = 14,278.52 × 2,945.06
  4. Step 4: Simplify right side
    9,518.75x = 42,051,011.99
  5. Step 5: Solve for x
    x = 42,051,011.99/9,518.75
  6. Step 6: Final answer
    x = 4,417.71

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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.