Home / 7,555.12-11,351.81-4,783.10

Finding the Fourth Proportional to 7,555.12, 11,351.81 and 4,783.10

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Solution

The fourth proportional to 7,555.12, 11,351.81 and 4,783.10 is: 7,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.12 : 11,351.81 = 4,783.10 : x
  2. Step 2: Convert to fraction form
    7,555.12/11,351.81 = 4,783.10/x
  3. Step 3: Cross multiply
    7,555.12x = 11,351.81 × 4,783.10
  4. Step 4: Simplify right side
    7,555.12x = 54,296,797.61
  5. Step 5: Solve for x
    x = 54,296,797.61/7,555.12
  6. Step 6: Final answer
    x = 7,186.76

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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.