Home / 5,386.50-8,075.79-2,054.16

Finding the Fourth Proportional to 5,386.50, 8,075.79 and 2,054.16

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Solution

The fourth proportional to 5,386.50, 8,075.79 and 2,054.16 is: 3,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.50 : 8,075.79 = 2,054.16 : x
  2. Step 2: Convert to fraction form
    5,386.50/8,075.79 = 2,054.16/x
  3. Step 3: Cross multiply
    5,386.50x = 8,075.79 × 2,054.16
  4. Step 4: Simplify right side
    5,386.50x = 16,588,964.79
  5. Step 5: Solve for x
    x = 16,588,964.79/5,386.50
  6. Step 6: Final answer
    x = 3,079.73

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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.