Home / 8,543.96-11,783.30-5,558.70

Finding the Fourth Proportional to 8,543.96, 11,783.30 and 5,558.70

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Solution

The fourth proportional to 8,543.96, 11,783.30 and 5,558.70 is: 7,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.96 : 11,783.30 = 5,558.70 : x
  2. Step 2: Convert to fraction form
    8,543.96/11,783.30 = 5,558.70/x
  3. Step 3: Cross multiply
    8,543.96x = 11,783.30 × 5,558.70
  4. Step 4: Simplify right side
    8,543.96x = 65,499,801.92
  5. Step 5: Solve for x
    x = 65,499,801.92/8,543.96
  6. Step 6: Final answer
    x = 7,666.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.