Home / 9,120.24-12,588.30-5,941.50

Finding the Fourth Proportional to 9,120.24, 12,588.30 and 5,941.50

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Solution

The fourth proportional to 9,120.24, 12,588.30 and 5,941.50 is: 8,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.24 : 12,588.30 = 5,941.50 : x
  2. Step 2: Convert to fraction form
    9,120.24/12,588.30 = 5,941.50/x
  3. Step 3: Cross multiply
    9,120.24x = 12,588.30 × 5,941.50
  4. Step 4: Simplify right side
    9,120.24x = 74,793,384.45
  5. Step 5: Solve for x
    x = 74,793,384.45/9,120.24
  6. Step 6: Final answer
    x = 8,200.81

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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.