Home / 4,888.89-7,333.77-1,378.94

Finding the Fourth Proportional to 4,888.89, 7,333.77 and 1,378.94

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Solution

The fourth proportional to 4,888.89, 7,333.77 and 1,378.94 is: 2,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.89 : 7,333.77 = 1,378.94 : x
  2. Step 2: Convert to fraction form
    4,888.89/7,333.77 = 1,378.94/x
  3. Step 3: Cross multiply
    4,888.89x = 7,333.77 × 1,378.94
  4. Step 4: Simplify right side
    4,888.89x = 10,112,792.13
  5. Step 5: Solve for x
    x = 10,112,792.13/4,888.89
  6. Step 6: Final answer
    x = 2,068.53

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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.