Home / 7,783.76-11,681.40-6,263.12

Finding the Fourth Proportional to 7,783.76, 11,681.40 and 6,263.12

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Solution

The fourth proportional to 7,783.76, 11,681.40 and 6,263.12 is: 9,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.76 : 11,681.40 = 6,263.12 : x
  2. Step 2: Convert to fraction form
    7,783.76/11,681.40 = 6,263.12/x
  3. Step 3: Cross multiply
    7,783.76x = 11,681.40 × 6,263.12
  4. Step 4: Simplify right side
    7,783.76x = 73,162,009.97
  5. Step 5: Solve for x
    x = 73,162,009.97/7,783.76
  6. Step 6: Final answer
    x = 9,399.31

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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.