Home / 6,391.51-8,820.30-3,597.01

Finding the Fourth Proportional to 6,391.51, 8,820.30 and 3,597.01

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Solution

The fourth proportional to 6,391.51, 8,820.30 and 3,597.01 is: 4,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.51 : 8,820.30 = 3,597.01 : x
  2. Step 2: Convert to fraction form
    6,391.51/8,820.30 = 3,597.01/x
  3. Step 3: Cross multiply
    6,391.51x = 8,820.30 × 3,597.01
  4. Step 4: Simplify right side
    6,391.51x = 31,726,707.30
  5. Step 5: Solve for x
    x = 31,726,707.30/6,391.51
  6. Step 6: Final answer
    x = 4,963.88

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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.