Home / 5,384.24-8,065.20-2,613.20

Finding the Fourth Proportional to 5,384.24, 8,065.20 and 2,613.20

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Solution

The fourth proportional to 5,384.24, 8,065.20 and 2,613.20 is: 3,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.24 : 8,065.20 = 2,613.20 : x
  2. Step 2: Convert to fraction form
    5,384.24/8,065.20 = 2,613.20/x
  3. Step 3: Cross multiply
    5,384.24x = 8,065.20 × 2,613.20
  4. Step 4: Simplify right side
    5,384.24x = 21,075,980.64
  5. Step 5: Solve for x
    x = 21,075,980.64/5,384.24
  6. Step 6: Final answer
    x = 3,914.38

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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.