Home / 4,681.19-7,019.84-1,905.99

Finding the Fourth Proportional to 4,681.19, 7,019.84 and 1,905.99

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Solution

The fourth proportional to 4,681.19, 7,019.84 and 1,905.99 is: 2,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.19 : 7,019.84 = 1,905.99 : x
  2. Step 2: Convert to fraction form
    4,681.19/7,019.84 = 1,905.99/x
  3. Step 3: Cross multiply
    4,681.19x = 7,019.84 × 1,905.99
  4. Step 4: Simplify right side
    4,681.19x = 13,379,700.21
  5. Step 5: Solve for x
    x = 13,379,700.21/4,681.19
  6. Step 6: Final answer
    x = 2,858.18

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1.5x scale

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.