Home / 6,715.26-10,075.86-3,431.07

Finding the Fourth Proportional to 6,715.26, 10,075.86 and 3,431.07

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Solution

The fourth proportional to 6,715.26, 10,075.86 and 3,431.07 is: 5,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.26 : 10,075.86 = 3,431.07 : x
  2. Step 2: Convert to fraction form
    6,715.26/10,075.86 = 3,431.07/x
  3. Step 3: Cross multiply
    6,715.26x = 10,075.86 × 3,431.07
  4. Step 4: Simplify right side
    6,715.26x = 34,570,980.97
  5. Step 5: Solve for x
    x = 34,570,980.97/6,715.26
  6. Step 6: Final answer
    x = 5,148.12

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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.