Home / 4,870.54-6,721.41-2,774.62

Finding the Fourth Proportional to 4,870.54, 6,721.41 and 2,774.62

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Solution

The fourth proportional to 4,870.54, 6,721.41 and 2,774.62 is: 3,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.54 : 6,721.41 = 2,774.62 : x
  2. Step 2: Convert to fraction form
    4,870.54/6,721.41 = 2,774.62/x
  3. Step 3: Cross multiply
    4,870.54x = 6,721.41 × 2,774.62
  4. Step 4: Simplify right side
    4,870.54x = 18,649,352.22
  5. Step 5: Solve for x
    x = 18,649,352.22/4,870.54
  6. Step 6: Final answer
    x = 3,829.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.