Home / 5,208.81-7,812.99-1,510.96

Finding the Fourth Proportional to 5,208.81, 7,812.99 and 1,510.96

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Solution

The fourth proportional to 5,208.81, 7,812.99 and 1,510.96 is: 2,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.81 : 7,812.99 = 1,510.96 : x
  2. Step 2: Convert to fraction form
    5,208.81/7,812.99 = 1,510.96/x
  3. Step 3: Cross multiply
    5,208.81x = 7,812.99 × 1,510.96
  4. Step 4: Simplify right side
    5,208.81x = 11,805,115.37
  5. Step 5: Solve for x
    x = 11,805,115.37/5,208.81
  6. Step 6: Final answer
    x = 2,266.37

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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.