Home / 7,720.10-10,654.19-4,363.44

Finding the Fourth Proportional to 7,720.10, 10,654.19 and 4,363.44

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Solution

The fourth proportional to 7,720.10, 10,654.19 and 4,363.44 is: 6,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.10 : 10,654.19 = 4,363.44 : x
  2. Step 2: Convert to fraction form
    7,720.10/10,654.19 = 4,363.44/x
  3. Step 3: Cross multiply
    7,720.10x = 10,654.19 × 4,363.44
  4. Step 4: Simplify right side
    7,720.10x = 46,488,918.81
  5. Step 5: Solve for x
    x = 46,488,918.81/7,720.10
  6. Step 6: Final answer
    x = 6,021.80

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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.