Home / 5,628.51-7,768.20-3,360.11

Finding the Fourth Proportional to 5,628.51, 7,768.20 and 3,360.11

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Solution

The fourth proportional to 5,628.51, 7,768.20 and 3,360.11 is: 4,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.51 : 7,768.20 = 3,360.11 : x
  2. Step 2: Convert to fraction form
    5,628.51/7,768.20 = 3,360.11/x
  3. Step 3: Cross multiply
    5,628.51x = 7,768.20 × 3,360.11
  4. Step 4: Simplify right side
    5,628.51x = 26,101,967.66
  5. Step 5: Solve for x
    x = 26,101,967.66/5,628.51
  6. Step 6: Final answer
    x = 4,637.46

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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.