Home / 8,363.32-11,543.34-6,128.44

Finding the Fourth Proportional to 8,363.32, 11,543.34 and 6,128.44

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Solution

The fourth proportional to 8,363.32, 11,543.34 and 6,128.44 is: 8,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.32 : 11,543.34 = 6,128.44 : x
  2. Step 2: Convert to fraction form
    8,363.32/11,543.34 = 6,128.44/x
  3. Step 3: Cross multiply
    8,363.32x = 11,543.34 × 6,128.44
  4. Step 4: Simplify right side
    8,363.32x = 70,742,666.59
  5. Step 5: Solve for x
    x = 70,742,666.59/8,363.32
  6. Step 6: Final answer
    x = 8,458.68

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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.