Home / 4,685.69-6,466.29-3,689.12

Finding the Fourth Proportional to 4,685.69, 6,466.29 and 3,689.12

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Solution

The fourth proportional to 4,685.69, 6,466.29 and 3,689.12 is: 5,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.69 : 6,466.29 = 3,689.12 : x
  2. Step 2: Convert to fraction form
    4,685.69/6,466.29 = 3,689.12/x
  3. Step 3: Cross multiply
    4,685.69x = 6,466.29 × 3,689.12
  4. Step 4: Simplify right side
    4,685.69x = 23,854,919.76
  5. Step 5: Solve for x
    x = 23,854,919.76/4,685.69
  6. Step 6: Final answer
    x = 5,091.02

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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.