Home / 4,813.02-7,218.27-1,891.35

Finding the Fourth Proportional to 4,813.02, 7,218.27 and 1,891.35

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Solution

The fourth proportional to 4,813.02, 7,218.27 and 1,891.35 is: 2,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.02 : 7,218.27 = 1,891.35 : x
  2. Step 2: Convert to fraction form
    4,813.02/7,218.27 = 1,891.35/x
  3. Step 3: Cross multiply
    4,813.02x = 7,218.27 × 1,891.35
  4. Step 4: Simplify right side
    4,813.02x = 13,652,274.96
  5. Step 5: Solve for x
    x = 13,652,274.96/4,813.02
  6. Step 6: Final answer
    x = 2,836.53

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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.