Home / 5,408.04-8,110.88-2,075.16

Finding the Fourth Proportional to 5,408.04, 8,110.88 and 2,075.16

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Solution

The fourth proportional to 5,408.04, 8,110.88 and 2,075.16 is: 3,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.04 : 8,110.88 = 2,075.16 : x
  2. Step 2: Convert to fraction form
    5,408.04/8,110.88 = 2,075.16/x
  3. Step 3: Cross multiply
    5,408.04x = 8,110.88 × 2,075.16
  4. Step 4: Simplify right side
    5,408.04x = 16,831,373.74
  5. Step 5: Solve for x
    x = 16,831,373.74/5,408.04
  6. Step 6: Final answer
    x = 3,112.29

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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.