Home / 5,045.36-7,568.04-2,124.08

Finding the Fourth Proportional to 5,045.36, 7,568.04 and 2,124.08

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Solution

The fourth proportional to 5,045.36, 7,568.04 and 2,124.08 is: 3,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.36 : 7,568.04 = 2,124.08 : x
  2. Step 2: Convert to fraction form
    5,045.36/7,568.04 = 2,124.08/x
  3. Step 3: Cross multiply
    5,045.36x = 7,568.04 × 2,124.08
  4. Step 4: Simplify right side
    5,045.36x = 16,075,122.40
  5. Step 5: Solve for x
    x = 16,075,122.40/5,045.36
  6. Step 6: Final answer
    x = 3,186.12

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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.