Home / 4,813.70-7,220.59-1,851.82

Finding the Fourth Proportional to 4,813.70, 7,220.59 and 1,851.82

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Solution

The fourth proportional to 4,813.70, 7,220.59 and 1,851.82 is: 2,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.70 : 7,220.59 = 1,851.82 : x
  2. Step 2: Convert to fraction form
    4,813.70/7,220.59 = 1,851.82/x
  3. Step 3: Cross multiply
    4,813.70x = 7,220.59 × 1,851.82
  4. Step 4: Simplify right side
    4,813.70x = 13,371,210.29
  5. Step 5: Solve for x
    x = 13,371,210.29/4,813.70
  6. Step 6: Final answer
    x = 2,777.74

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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.