Home / 4,748.40-6,551.82-2,859.48

Finding the Fourth Proportional to 4,748.40, 6,551.82 and 2,859.48

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Solution

The fourth proportional to 4,748.40, 6,551.82 and 2,859.48 is: 3,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.40 : 6,551.82 = 2,859.48 : x
  2. Step 2: Convert to fraction form
    4,748.40/6,551.82 = 2,859.48/x
  3. Step 3: Cross multiply
    4,748.40x = 6,551.82 × 2,859.48
  4. Step 4: Simplify right side
    4,748.40x = 18,734,798.25
  5. Step 5: Solve for x
    x = 18,734,798.25/4,748.40
  6. Step 6: Final answer
    x = 3,945.50

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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.