Home / 4,287.18-5,918.68-2,795.98

Finding the Fourth Proportional to 4,287.18, 5,918.68 and 2,795.98

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Solution

The fourth proportional to 4,287.18, 5,918.68 and 2,795.98 is: 3,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.18 : 5,918.68 = 2,795.98 : x
  2. Step 2: Convert to fraction form
    4,287.18/5,918.68 = 2,795.98/x
  3. Step 3: Cross multiply
    4,287.18x = 5,918.68 × 2,795.98
  4. Step 4: Simplify right side
    4,287.18x = 16,548,510.91
  5. Step 5: Solve for x
    x = 16,548,510.91/4,287.18
  6. Step 6: Final answer
    x = 3,860.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.