Home / 5,618.39-8,430.62-2,333.75

Finding the Fourth Proportional to 5,618.39, 8,430.62 and 2,333.75

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Solution

The fourth proportional to 5,618.39, 8,430.62 and 2,333.75 is: 3,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.39 : 8,430.62 = 2,333.75 : x
  2. Step 2: Convert to fraction form
    5,618.39/8,430.62 = 2,333.75/x
  3. Step 3: Cross multiply
    5,618.39x = 8,430.62 × 2,333.75
  4. Step 4: Simplify right side
    5,618.39x = 19,674,959.43
  5. Step 5: Solve for x
    x = 19,674,959.43/5,618.39
  6. Step 6: Final answer
    x = 3,501.89

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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.