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Finding the Fourth Proportional to 6,554.70, 9,048.12 and 3,901.59

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Solution

The fourth proportional to 6,554.70, 9,048.12 and 3,901.59 is: 5,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.70 : 9,048.12 = 3,901.59 : x
  2. Step 2: Convert to fraction form
    6,554.70/9,048.12 = 3,901.59/x
  3. Step 3: Cross multiply
    6,554.70x = 9,048.12 × 3,901.59
  4. Step 4: Simplify right side
    6,554.70x = 35,302,054.51
  5. Step 5: Solve for x
    x = 35,302,054.51/6,554.70
  6. Step 6: Final answer
    x = 5,385.76

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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.