Home / 9,206.61-13,811.85-5,259.72

Finding the Fourth Proportional to 9,206.61, 13,811.85 and 5,259.72

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Solution

The fourth proportional to 9,206.61, 13,811.85 and 5,259.72 is: 7,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.61 : 13,811.85 = 5,259.72 : x
  2. Step 2: Convert to fraction form
    9,206.61/13,811.85 = 5,259.72/x
  3. Step 3: Cross multiply
    9,206.61x = 13,811.85 × 5,259.72
  4. Step 4: Simplify right side
    9,206.61x = 72,646,463.68
  5. Step 5: Solve for x
    x = 72,646,463.68/9,206.61
  6. Step 6: Final answer
    x = 7,890.69

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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.