Home / 6,118.47-9,172.64-5,075.60

Finding the Fourth Proportional to 6,118.47, 9,172.64 and 5,075.60

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Solution

The fourth proportional to 6,118.47, 9,172.64 and 5,075.60 is: 7,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.47 : 9,172.64 = 5,075.60 : x
  2. Step 2: Convert to fraction form
    6,118.47/9,172.64 = 5,075.60/x
  3. Step 3: Cross multiply
    6,118.47x = 9,172.64 × 5,075.60
  4. Step 4: Simplify right side
    6,118.47x = 46,556,618.41
  5. Step 5: Solve for x
    x = 46,556,618.41/6,118.47
  6. Step 6: Final answer
    x = 7,609.19

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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.