Home / 4,740.63-7,117.37-2,768.28

Finding the Fourth Proportional to 4,740.63, 7,117.37 and 2,768.28

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Solution

The fourth proportional to 4,740.63, 7,117.37 and 2,768.28 is: 4,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.63 : 7,117.37 = 2,768.28 : x
  2. Step 2: Convert to fraction form
    4,740.63/7,117.37 = 2,768.28/x
  3. Step 3: Cross multiply
    4,740.63x = 7,117.37 × 2,768.28
  4. Step 4: Simplify right side
    4,740.63x = 19,702,842.87
  5. Step 5: Solve for x
    x = 19,702,842.87/4,740.63
  6. Step 6: Final answer
    x = 4,156.17

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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.