Home / 4,817.16-6,647.40-2,828.75

Finding the Fourth Proportional to 4,817.16, 6,647.40 and 2,828.75

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Solution

The fourth proportional to 4,817.16, 6,647.40 and 2,828.75 is: 3,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.16 : 6,647.40 = 2,828.75 : x
  2. Step 2: Convert to fraction form
    4,817.16/6,647.40 = 2,828.75/x
  3. Step 3: Cross multiply
    4,817.16x = 6,647.40 × 2,828.75
  4. Step 4: Simplify right side
    4,817.16x = 18,803,799.51
  5. Step 5: Solve for x
    x = 18,803,799.51/4,817.16
  6. Step 6: Final answer
    x = 3,903.50

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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.