Home / 5,130.07-7,075.47-3,713.97

Finding the Fourth Proportional to 5,130.07, 7,075.47 and 3,713.97

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Solution

The fourth proportional to 5,130.07, 7,075.47 and 3,713.97 is: 5,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.07 : 7,075.47 = 3,713.97 : x
  2. Step 2: Convert to fraction form
    5,130.07/7,075.47 = 3,713.97/x
  3. Step 3: Cross multiply
    5,130.07x = 7,075.47 × 3,713.97
  4. Step 4: Simplify right side
    5,130.07x = 26,278,083.32
  5. Step 5: Solve for x
    x = 26,278,083.32/5,130.07
  6. Step 6: Final answer
    x = 5,122.36

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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.