Home / 7,180.16-9,905.48-4,384

Finding the Fourth Proportional to 7,180.16, 9,905.48 and 4,384

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Solution

The fourth proportional to 7,180.16, 9,905.48 and 4,384 is: 6,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.16 : 9,905.48 = 4,384 : x
  2. Step 2: Convert to fraction form
    7,180.16/9,905.48 = 4,384/x
  3. Step 3: Cross multiply
    7,180.16x = 9,905.48 × 4,384
  4. Step 4: Simplify right side
    7,180.16x = 43,425,624.32
  5. Step 5: Solve for x
    x = 43,425,624.32/7,180.16
  6. Step 6: Final answer
    x = 6,048.00

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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.