Home / 4,385.75-6,576.26-1,917.69

Finding the Fourth Proportional to 4,385.75, 6,576.26 and 1,917.69

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Solution

The fourth proportional to 4,385.75, 6,576.26 and 1,917.69 is: 2,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.75 : 6,576.26 = 1,917.69 : x
  2. Step 2: Convert to fraction form
    4,385.75/6,576.26 = 1,917.69/x
  3. Step 3: Cross multiply
    4,385.75x = 6,576.26 × 1,917.69
  4. Step 4: Simplify right side
    4,385.75x = 12,611,219.22
  5. Step 5: Solve for x
    x = 12,611,219.22/4,385.75
  6. Step 6: Final answer
    x = 2,875.50

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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.