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Finding the Fourth Proportional to 4,554.40, 6,819.45 and 4,554.40

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Solution

The fourth proportional to 4,554.40, 6,819.45 and 4,554.40 is: 6,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.40 : 6,819.45 = 4,554.40 : x
  2. Step 2: Convert to fraction form
    4,554.40/6,819.45 = 4,554.40/x
  3. Step 3: Cross multiply
    4,554.40x = 6,819.45 × 4,554.40
  4. Step 4: Simplify right side
    4,554.40x = 31,058,503.08
  5. Step 5: Solve for x
    x = 31,058,503.08/4,554.40
  6. Step 6: Final answer
    x = 6,819.45

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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.