Home / 7,846.34-10,827.96-4,309.78

Finding the Fourth Proportional to 7,846.34, 10,827.96 and 4,309.78

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Solution

The fourth proportional to 7,846.34, 10,827.96 and 4,309.78 is: 5,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.34 : 10,827.96 = 4,309.78 : x
  2. Step 2: Convert to fraction form
    7,846.34/10,827.96 = 4,309.78/x
  3. Step 3: Cross multiply
    7,846.34x = 10,827.96 × 4,309.78
  4. Step 4: Simplify right side
    7,846.34x = 46,666,125.45
  5. Step 5: Solve for x
    x = 46,666,125.45/7,846.34
  6. Step 6: Final answer
    x = 5,947.50

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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.