Home / 7,826.61-10,800.67-4,241.55

Finding the Fourth Proportional to 7,826.61, 10,800.67 and 4,241.55

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Solution

The fourth proportional to 7,826.61, 10,800.67 and 4,241.55 is: 5,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.61 : 10,800.67 = 4,241.55 : x
  2. Step 2: Convert to fraction form
    7,826.61/10,800.67 = 4,241.55/x
  3. Step 3: Cross multiply
    7,826.61x = 10,800.67 × 4,241.55
  4. Step 4: Simplify right side
    7,826.61x = 45,811,581.84
  5. Step 5: Solve for x
    x = 45,811,581.84/7,826.61
  6. Step 6: Final answer
    x = 5,853.31

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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.