Home / 4,810.98-7,220.55-1,891.32

Finding the Fourth Proportional to 4,810.98, 7,220.55 and 1,891.32

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Solution

The fourth proportional to 4,810.98, 7,220.55 and 1,891.32 is: 2,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.98 : 7,220.55 = 1,891.32 : x
  2. Step 2: Convert to fraction form
    4,810.98/7,220.55 = 1,891.32/x
  3. Step 3: Cross multiply
    4,810.98x = 7,220.55 × 1,891.32
  4. Step 4: Simplify right side
    4,810.98x = 13,656,370.63
  5. Step 5: Solve for x
    x = 13,656,370.63/4,810.98
  6. Step 6: Final answer
    x = 2,838.58

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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.