Home / 9,309.60-12,849.45-5,332.98

Finding the Fourth Proportional to 9,309.60, 12,849.45 and 5,332.98

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Solution

The fourth proportional to 9,309.60, 12,849.45 and 5,332.98 is: 7,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.60 : 12,849.45 = 5,332.98 : x
  2. Step 2: Convert to fraction form
    9,309.60/12,849.45 = 5,332.98/x
  3. Step 3: Cross multiply
    9,309.60x = 12,849.45 × 5,332.98
  4. Step 4: Simplify right side
    9,309.60x = 68,525,859.86
  5. Step 5: Solve for x
    x = 68,525,859.86/9,309.60
  6. Step 6: Final answer
    x = 7,360.77

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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.