Home / 4,885.08-7,326.76-1,421.52

Finding the Fourth Proportional to 4,885.08, 7,326.76 and 1,421.52

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Solution

The fourth proportional to 4,885.08, 7,326.76 and 1,421.52 is: 2,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.08 : 7,326.76 = 1,421.52 : x
  2. Step 2: Convert to fraction form
    4,885.08/7,326.76 = 1,421.52/x
  3. Step 3: Cross multiply
    4,885.08x = 7,326.76 × 1,421.52
  4. Step 4: Simplify right side
    4,885.08x = 10,415,135.88
  5. Step 5: Solve for x
    x = 10,415,135.88/4,885.08
  6. Step 6: Final answer
    x = 2,132.03

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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.