Home / 5,089.14-7,022.64-2,820.46

Finding the Fourth Proportional to 5,089.14, 7,022.64 and 2,820.46

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Solution

The fourth proportional to 5,089.14, 7,022.64 and 2,820.46 is: 3,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.14 : 7,022.64 = 2,820.46 : x
  2. Step 2: Convert to fraction form
    5,089.14/7,022.64 = 2,820.46/x
  3. Step 3: Cross multiply
    5,089.14x = 7,022.64 × 2,820.46
  4. Step 4: Simplify right side
    5,089.14x = 19,807,075.21
  5. Step 5: Solve for x
    x = 19,807,075.21/5,089.14
  6. Step 6: Final answer
    x = 3,892.03

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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.