Home / 7,389.23-11,081.88-2,946.71

Finding the Fourth Proportional to 7,389.23, 11,081.88 and 2,946.71

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Solution

The fourth proportional to 7,389.23, 11,081.88 and 2,946.71 is: 4,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.23 : 11,081.88 = 2,946.71 : x
  2. Step 2: Convert to fraction form
    7,389.23/11,081.88 = 2,946.71/x
  3. Step 3: Cross multiply
    7,389.23x = 11,081.88 × 2,946.71
  4. Step 4: Simplify right side
    7,389.23x = 32,655,114.32
  5. Step 5: Solve for x
    x = 32,655,114.32/7,389.23
  6. Step 6: Final answer
    x = 4,419.29

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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.