Home / 8,783.07-12,120.65-4,804.17

Finding the Fourth Proportional to 8,783.07, 12,120.65 and 4,804.17

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Solution

The fourth proportional to 8,783.07, 12,120.65 and 4,804.17 is: 6,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.07 : 12,120.65 = 4,804.17 : x
  2. Step 2: Convert to fraction form
    8,783.07/12,120.65 = 4,804.17/x
  3. Step 3: Cross multiply
    8,783.07x = 12,120.65 × 4,804.17
  4. Step 4: Simplify right side
    8,783.07x = 58,229,663.11
  5. Step 5: Solve for x
    x = 58,229,663.11/8,783.07
  6. Step 6: Final answer
    x = 6,629.76

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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.