Home / 6,805.59-10,207.40-2,124.51

Finding the Fourth Proportional to 6,805.59, 10,207.40 and 2,124.51

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Solution

The fourth proportional to 6,805.59, 10,207.40 and 2,124.51 is: 3,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.59 : 10,207.40 = 2,124.51 : x
  2. Step 2: Convert to fraction form
    6,805.59/10,207.40 = 2,124.51/x
  3. Step 3: Cross multiply
    6,805.59x = 10,207.40 × 2,124.51
  4. Step 4: Simplify right side
    6,805.59x = 21,685,712.75
  5. Step 5: Solve for x
    x = 21,685,712.75/6,805.59
  6. Step 6: Final answer
    x = 3,186.46

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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.