Home / 6,815.51-10,214.72-2,915.33

Finding the Fourth Proportional to 6,815.51, 10,214.72 and 2,915.33

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Solution

The fourth proportional to 6,815.51, 10,214.72 and 2,915.33 is: 4,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.51 : 10,214.72 = 2,915.33 : x
  2. Step 2: Convert to fraction form
    6,815.51/10,214.72 = 2,915.33/x
  3. Step 3: Cross multiply
    6,815.51x = 10,214.72 × 2,915.33
  4. Step 4: Simplify right side
    6,815.51x = 29,779,265.08
  5. Step 5: Solve for x
    x = 29,779,265.08/6,815.51
  6. Step 6: Final answer
    x = 4,369.34

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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.