Home / 4,205.34-6,307.02-1,243.80

Finding the Fourth Proportional to 4,205.34, 6,307.02 and 1,243.80

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Solution

The fourth proportional to 4,205.34, 6,307.02 and 1,243.80 is: 1,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.34 : 6,307.02 = 1,243.80 : x
  2. Step 2: Convert to fraction form
    4,205.34/6,307.02 = 1,243.80/x
  3. Step 3: Cross multiply
    4,205.34x = 6,307.02 × 1,243.80
  4. Step 4: Simplify right side
    4,205.34x = 7,844,671.48
  5. Step 5: Solve for x
    x = 7,844,671.48/4,205.34
  6. Step 6: Final answer
    x = 1,865.41

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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.