Home / 7,021.36-10,532.01-2,860.39

Finding the Fourth Proportional to 7,021.36, 10,532.01 and 2,860.39

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Solution

The fourth proportional to 7,021.36, 10,532.01 and 2,860.39 is: 4,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.36 : 10,532.01 = 2,860.39 : x
  2. Step 2: Convert to fraction form
    7,021.36/10,532.01 = 2,860.39/x
  3. Step 3: Cross multiply
    7,021.36x = 10,532.01 × 2,860.39
  4. Step 4: Simplify right side
    7,021.36x = 30,125,656.08
  5. Step 5: Solve for x
    x = 30,125,656.08/7,021.36
  6. Step 6: Final answer
    x = 4,290.57

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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.