Home / 5,075.92-7,004.73-2,837.80

Finding the Fourth Proportional to 5,075.92, 7,004.73 and 2,837.80

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Solution

The fourth proportional to 5,075.92, 7,004.73 and 2,837.80 is: 3,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.92 : 7,004.73 = 2,837.80 : x
  2. Step 2: Convert to fraction form
    5,075.92/7,004.73 = 2,837.80/x
  3. Step 3: Cross multiply
    5,075.92x = 7,004.73 × 2,837.80
  4. Step 4: Simplify right side
    5,075.92x = 19,878,022.79
  5. Step 5: Solve for x
    x = 19,878,022.79/5,075.92
  6. Step 6: Final answer
    x = 3,916.14

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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.