Home / 6,946.50-10,415.70-3,658.80

Finding the Fourth Proportional to 6,946.50, 10,415.70 and 3,658.80

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Solution

The fourth proportional to 6,946.50, 10,415.70 and 3,658.80 is: 5,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.50 : 10,415.70 = 3,658.80 : x
  2. Step 2: Convert to fraction form
    6,946.50/10,415.70 = 3,658.80/x
  3. Step 3: Cross multiply
    6,946.50x = 10,415.70 × 3,658.80
  4. Step 4: Simplify right side
    6,946.50x = 38,108,963.16
  5. Step 5: Solve for x
    x = 38,108,963.16/6,946.50
  6. Step 6: Final answer
    x = 5,486.07

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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.