Home / 9,420.44-13,000.38-5,228.92

Finding the Fourth Proportional to 9,420.44, 13,000.38 and 5,228.92

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Solution

The fourth proportional to 9,420.44, 13,000.38 and 5,228.92 is: 7,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.44 : 13,000.38 = 5,228.92 : x
  2. Step 2: Convert to fraction form
    9,420.44/13,000.38 = 5,228.92/x
  3. Step 3: Cross multiply
    9,420.44x = 13,000.38 × 5,228.92
  4. Step 4: Simplify right side
    9,420.44x = 67,977,946.99
  5. Step 5: Solve for x
    x = 67,977,946.99/9,420.44
  6. Step 6: Final answer
    x = 7,216.01

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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.