Home / 5,088.45-7,022.43-2,820.01

Finding the Fourth Proportional to 5,088.45, 7,022.43 and 2,820.01

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Solution

The fourth proportional to 5,088.45, 7,022.43 and 2,820.01 is: 3,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.45 : 7,022.43 = 2,820.01 : x
  2. Step 2: Convert to fraction form
    5,088.45/7,022.43 = 2,820.01/x
  3. Step 3: Cross multiply
    5,088.45x = 7,022.43 × 2,820.01
  4. Step 4: Simplify right side
    5,088.45x = 19,803,322.82
  5. Step 5: Solve for x
    x = 19,803,322.82/5,088.45
  6. Step 6: Final answer
    x = 3,891.82

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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.