Home / 4,909.64-6,775.54-2,813.72

Finding the Fourth Proportional to 4,909.64, 6,775.54 and 2,813.72

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Solution

The fourth proportional to 4,909.64, 6,775.54 and 2,813.72 is: 3,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.64 : 6,775.54 = 2,813.72 : x
  2. Step 2: Convert to fraction form
    4,909.64/6,775.54 = 2,813.72/x
  3. Step 3: Cross multiply
    4,909.64x = 6,775.54 × 2,813.72
  4. Step 4: Simplify right side
    4,909.64x = 19,064,472.41
  5. Step 5: Solve for x
    x = 19,064,472.41/4,909.64
  6. Step 6: Final answer
    x = 3,883.07

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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.