Home / 5,554.56-8,329.80-1,657.64

Finding the Fourth Proportional to 5,554.56, 8,329.80 and 1,657.64

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Solution

The fourth proportional to 5,554.56, 8,329.80 and 1,657.64 is: 2,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.56 : 8,329.80 = 1,657.64 : x
  2. Step 2: Convert to fraction form
    5,554.56/8,329.80 = 1,657.64/x
  3. Step 3: Cross multiply
    5,554.56x = 8,329.80 × 1,657.64
  4. Step 4: Simplify right side
    5,554.56x = 13,807,809.67
  5. Step 5: Solve for x
    x = 13,807,809.67/5,554.56
  6. Step 6: Final answer
    x = 2,485.85

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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.