Home / 5,387.23-8,075.94-1,923.67

Finding the Fourth Proportional to 5,387.23, 8,075.94 and 1,923.67

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Solution

The fourth proportional to 5,387.23, 8,075.94 and 1,923.67 is: 2,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.23 : 8,075.94 = 1,923.67 : x
  2. Step 2: Convert to fraction form
    5,387.23/8,075.94 = 1,923.67/x
  3. Step 3: Cross multiply
    5,387.23x = 8,075.94 × 1,923.67
  4. Step 4: Simplify right side
    5,387.23x = 15,535,443.50
  5. Step 5: Solve for x
    x = 15,535,443.50/5,387.23
  6. Step 6: Final answer
    x = 2,883.75

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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.