Home / 4,415.71-6,618.34-1,945.36

Finding the Fourth Proportional to 4,415.71, 6,618.34 and 1,945.36

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Solution

The fourth proportional to 4,415.71, 6,618.34 and 1,945.36 is: 2,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.71 : 6,618.34 = 1,945.36 : x
  2. Step 2: Convert to fraction form
    4,415.71/6,618.34 = 1,945.36/x
  3. Step 3: Cross multiply
    4,415.71x = 6,618.34 × 1,945.36
  4. Step 4: Simplify right side
    4,415.71x = 12,875,053.90
  5. Step 5: Solve for x
    x = 12,875,053.90/4,415.71
  6. Step 6: Final answer
    x = 2,915.74

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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.