Home / 7,389.13-11,086.93-4,311.13

Finding the Fourth Proportional to 7,389.13, 11,086.93 and 4,311.13

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Solution

The fourth proportional to 7,389.13, 11,086.93 and 4,311.13 is: 6,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.13 : 11,086.93 = 4,311.13 : x
  2. Step 2: Convert to fraction form
    7,389.13/11,086.93 = 4,311.13/x
  3. Step 3: Cross multiply
    7,389.13x = 11,086.93 × 4,311.13
  4. Step 4: Simplify right side
    7,389.13x = 47,797,141.10
  5. Step 5: Solve for x
    x = 47,797,141.10/7,389.13
  6. Step 6: Final answer
    x = 6,468.58

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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.