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Finding the Fourth Proportional to 7,543, 11,303.58 and 6,616.36

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Solution

The fourth proportional to 7,543, 11,303.58 and 6,616.36 is: 9,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543 : 11,303.58 = 6,616.36 : x
  2. Step 2: Convert to fraction form
    7,543/11,303.58 = 6,616.36/x
  3. Step 3: Cross multiply
    7,543x = 11,303.58 × 6,616.36
  4. Step 4: Simplify right side
    7,543x = 74,788,554.57
  5. Step 5: Solve for x
    x = 74,788,554.57/7,543
  6. Step 6: Final answer
    x = 9,914.96

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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.