Home / 4,345.14-6,518.67-1,383.78

Finding the Fourth Proportional to 4,345.14, 6,518.67 and 1,383.78

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Solution

The fourth proportional to 4,345.14, 6,518.67 and 1,383.78 is: 2,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.14 : 6,518.67 = 1,383.78 : x
  2. Step 2: Convert to fraction form
    4,345.14/6,518.67 = 1,383.78/x
  3. Step 3: Cross multiply
    4,345.14x = 6,518.67 × 1,383.78
  4. Step 4: Simplify right side
    4,345.14x = 9,020,405.17
  5. Step 5: Solve for x
    x = 9,020,405.17/4,345.14
  6. Step 6: Final answer
    x = 2,075.98

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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.