Home / 4,656.89-6,421.25-3,395.72

Finding the Fourth Proportional to 4,656.89, 6,421.25 and 3,395.72

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Solution

The fourth proportional to 4,656.89, 6,421.25 and 3,395.72 is: 4,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.89 : 6,421.25 = 3,395.72 : x
  2. Step 2: Convert to fraction form
    4,656.89/6,421.25 = 3,395.72/x
  3. Step 3: Cross multiply
    4,656.89x = 6,421.25 × 3,395.72
  4. Step 4: Simplify right side
    4,656.89x = 21,804,717.97
  5. Step 5: Solve for x
    x = 21,804,717.97/4,656.89
  6. Step 6: Final answer
    x = 4,682.25

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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.