Home / 5,653.60-8,485.80-2,883.40

Finding the Fourth Proportional to 5,653.60, 8,485.80 and 2,883.40

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Solution

The fourth proportional to 5,653.60, 8,485.80 and 2,883.40 is: 4,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.60 : 8,485.80 = 2,883.40 : x
  2. Step 2: Convert to fraction form
    5,653.60/8,485.80 = 2,883.40/x
  3. Step 3: Cross multiply
    5,653.60x = 8,485.80 × 2,883.40
  4. Step 4: Simplify right side
    5,653.60x = 24,467,955.72
  5. Step 5: Solve for x
    x = 24,467,955.72/5,653.60
  6. Step 6: Final answer
    x = 4,327.85

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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.