Home / 6,431.08-9,640.47-2,045.69

Finding the Fourth Proportional to 6,431.08, 9,640.47 and 2,045.69

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Solution

The fourth proportional to 6,431.08, 9,640.47 and 2,045.69 is: 3,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.08 : 9,640.47 = 2,045.69 : x
  2. Step 2: Convert to fraction form
    6,431.08/9,640.47 = 2,045.69/x
  3. Step 3: Cross multiply
    6,431.08x = 9,640.47 × 2,045.69
  4. Step 4: Simplify right side
    6,431.08x = 19,721,397.19
  5. Step 5: Solve for x
    x = 19,721,397.19/6,431.08
  6. Step 6: Final answer
    x = 3,066.58

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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.