Home / 6,623.60-9,935.40-5,554.40

Finding the Fourth Proportional to 6,623.60, 9,935.40 and 5,554.40

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Solution

The fourth proportional to 6,623.60, 9,935.40 and 5,554.40 is: 8,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.60 : 9,935.40 = 5,554.40 : x
  2. Step 2: Convert to fraction form
    6,623.60/9,935.40 = 5,554.40/x
  3. Step 3: Cross multiply
    6,623.60x = 9,935.40 × 5,554.40
  4. Step 4: Simplify right side
    6,623.60x = 55,185,185.76
  5. Step 5: Solve for x
    x = 55,185,185.76/6,623.60
  6. Step 6: Final answer
    x = 8,331.60

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Similar ratio
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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.