Home / 8,363.74-11,549.60-5,384.64

Finding the Fourth Proportional to 8,363.74, 11,549.60 and 5,384.64

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Solution

The fourth proportional to 8,363.74, 11,549.60 and 5,384.64 is: 7,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.74 : 11,549.60 = 5,384.64 : x
  2. Step 2: Convert to fraction form
    8,363.74/11,549.60 = 5,384.64/x
  3. Step 3: Cross multiply
    8,363.74x = 11,549.60 × 5,384.64
  4. Step 4: Simplify right side
    8,363.74x = 62,190,438.14
  5. Step 5: Solve for x
    x = 62,190,438.14/8,363.74
  6. Step 6: Final answer
    x = 7,435.72

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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.