Home / 4,909.48-6,775.02-2,813.62

Finding the Fourth Proportional to 4,909.48, 6,775.02 and 2,813.62

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Solution

The fourth proportional to 4,909.48, 6,775.02 and 2,813.62 is: 3,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.48 : 6,775.02 = 2,813.62 : x
  2. Step 2: Convert to fraction form
    4,909.48/6,775.02 = 2,813.62/x
  3. Step 3: Cross multiply
    4,909.48x = 6,775.02 × 2,813.62
  4. Step 4: Simplify right side
    4,909.48x = 19,062,331.77
  5. Step 5: Solve for x
    x = 19,062,331.77/4,909.48
  6. Step 6: Final answer
    x = 3,882.76

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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.