Home / 7,075.37-10,615.34-2,145.51

Finding the Fourth Proportional to 7,075.37, 10,615.34 and 2,145.51

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Solution

The fourth proportional to 7,075.37, 10,615.34 and 2,145.51 is: 3,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.37 : 10,615.34 = 2,145.51 : x
  2. Step 2: Convert to fraction form
    7,075.37/10,615.34 = 2,145.51/x
  3. Step 3: Cross multiply
    7,075.37x = 10,615.34 × 2,145.51
  4. Step 4: Simplify right side
    7,075.37x = 22,775,307.40
  5. Step 5: Solve for x
    x = 22,775,307.40/7,075.37
  6. Step 6: Final answer
    x = 3,218.96

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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.