Home / 4,747.80-6,551.40-2,859.35

Finding the Fourth Proportional to 4,747.80, 6,551.40 and 2,859.35

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Solution

The fourth proportional to 4,747.80, 6,551.40 and 2,859.35 is: 3,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.80 : 6,551.40 = 2,859.35 : x
  2. Step 2: Convert to fraction form
    4,747.80/6,551.40 = 2,859.35/x
  3. Step 3: Cross multiply
    4,747.80x = 6,551.40 × 2,859.35
  4. Step 4: Simplify right side
    4,747.80x = 18,732,731.29
  5. Step 5: Solve for x
    x = 18,732,731.29/4,747.80
  6. Step 6: Final answer
    x = 3,945.56

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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.