Home / 9,075.54-13,608.81-5,328.21

Finding the Fourth Proportional to 9,075.54, 13,608.81 and 5,328.21

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Solution

The fourth proportional to 9,075.54, 13,608.81 and 5,328.21 is: 7,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.54 : 13,608.81 = 5,328.21 : x
  2. Step 2: Convert to fraction form
    9,075.54/13,608.81 = 5,328.21/x
  3. Step 3: Cross multiply
    9,075.54x = 13,608.81 × 5,328.21
  4. Step 4: Simplify right side
    9,075.54x = 72,510,597.53
  5. Step 5: Solve for x
    x = 72,510,597.53/9,075.54
  6. Step 6: Final answer
    x = 7,989.67

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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.