Home / 6,459.12-8,915.32-6,067.08

Finding the Fourth Proportional to 6,459.12, 8,915.32 and 6,067.08

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Solution

The fourth proportional to 6,459.12, 8,915.32 and 6,067.08 is: 8,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.12 : 8,915.32 = 6,067.08 : x
  2. Step 2: Convert to fraction form
    6,459.12/8,915.32 = 6,067.08/x
  3. Step 3: Cross multiply
    6,459.12x = 8,915.32 × 6,067.08
  4. Step 4: Simplify right side
    6,459.12x = 54,089,959.67
  5. Step 5: Solve for x
    x = 54,089,959.67/6,459.12
  6. Step 6: Final answer
    x = 8,374.20

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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.