Home / 7,075.06-10,603.86-2,912.47

Finding the Fourth Proportional to 7,075.06, 10,603.86 and 2,912.47

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Solution

The fourth proportional to 7,075.06, 10,603.86 and 2,912.47 is: 4,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.06 : 10,603.86 = 2,912.47 : x
  2. Step 2: Convert to fraction form
    7,075.06/10,603.86 = 2,912.47/x
  3. Step 3: Cross multiply
    7,075.06x = 10,603.86 × 2,912.47
  4. Step 4: Simplify right side
    7,075.06x = 30,883,424.13
  5. Step 5: Solve for x
    x = 30,883,424.13/7,075.06
  6. Step 6: Final answer
    x = 4,365.11

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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.