Home / 7,075.77-10,609.59-2,918.64

Finding the Fourth Proportional to 7,075.77, 10,609.59 and 2,918.64

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Solution

The fourth proportional to 7,075.77, 10,609.59 and 2,918.64 is: 4,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.77 : 10,609.59 = 2,918.64 : x
  2. Step 2: Convert to fraction form
    7,075.77/10,609.59 = 2,918.64/x
  3. Step 3: Cross multiply
    7,075.77x = 10,609.59 × 2,918.64
  4. Step 4: Simplify right side
    7,075.77x = 30,965,573.76
  5. Step 5: Solve for x
    x = 30,965,573.76/7,075.77
  6. Step 6: Final answer
    x = 4,376.28

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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.