Home / 5,790.60-8,685.93-1,408.05

Finding the Fourth Proportional to 5,790.60, 8,685.93 and 1,408.05

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Solution

The fourth proportional to 5,790.60, 8,685.93 and 1,408.05 is: 2,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.60 : 8,685.93 = 1,408.05 : x
  2. Step 2: Convert to fraction form
    5,790.60/8,685.93 = 1,408.05/x
  3. Step 3: Cross multiply
    5,790.60x = 8,685.93 × 1,408.05
  4. Step 4: Simplify right side
    5,790.60x = 12,230,223.74
  5. Step 5: Solve for x
    x = 12,230,223.74/5,790.60
  6. Step 6: Final answer
    x = 2,112.08

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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.