Home / 6,346.09-8,760.06-5,681.80

Finding the Fourth Proportional to 6,346.09, 8,760.06 and 5,681.80

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Solution

The fourth proportional to 6,346.09, 8,760.06 and 5,681.80 is: 7,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.09 : 8,760.06 = 5,681.80 : x
  2. Step 2: Convert to fraction form
    6,346.09/8,760.06 = 5,681.80/x
  3. Step 3: Cross multiply
    6,346.09x = 8,760.06 × 5,681.80
  4. Step 4: Simplify right side
    6,346.09x = 49,772,908.91
  5. Step 5: Solve for x
    x = 49,772,908.91/6,346.09
  6. Step 6: Final answer
    x = 7,843.08

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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.