Home / 5,408.46-8,112.63-1,710.69

Finding the Fourth Proportional to 5,408.46, 8,112.63 and 1,710.69

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Solution

The fourth proportional to 5,408.46, 8,112.63 and 1,710.69 is: 2,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.46 : 8,112.63 = 1,710.69 : x
  2. Step 2: Convert to fraction form
    5,408.46/8,112.63 = 1,710.69/x
  3. Step 3: Cross multiply
    5,408.46x = 8,112.63 × 1,710.69
  4. Step 4: Simplify right side
    5,408.46x = 13,878,145.90
  5. Step 5: Solve for x
    x = 13,878,145.90/5,408.46
  6. Step 6: Final answer
    x = 2,566.01

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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.