Home / 5,434.60-8,143.80-4,608.40

Finding the Fourth Proportional to 5,434.60, 8,143.80 and 4,608.40

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Solution

The fourth proportional to 5,434.60, 8,143.80 and 4,608.40 is: 6,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.60 : 8,143.80 = 4,608.40 : x
  2. Step 2: Convert to fraction form
    5,434.60/8,143.80 = 4,608.40/x
  3. Step 3: Cross multiply
    5,434.60x = 8,143.80 × 4,608.40
  4. Step 4: Simplify right side
    5,434.60x = 37,529,887.92
  5. Step 5: Solve for x
    x = 37,529,887.92/5,434.60
  6. Step 6: Final answer
    x = 6,905.73

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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.