Home / 5,775.49-8,662.29-1,615.78

Finding the Fourth Proportional to 5,775.49, 8,662.29 and 1,615.78

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Solution

The fourth proportional to 5,775.49, 8,662.29 and 1,615.78 is: 2,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.49 : 8,662.29 = 1,615.78 : x
  2. Step 2: Convert to fraction form
    5,775.49/8,662.29 = 1,615.78/x
  3. Step 3: Cross multiply
    5,775.49x = 8,662.29 × 1,615.78
  4. Step 4: Simplify right side
    5,775.49x = 13,996,354.94
  5. Step 5: Solve for x
    x = 13,996,354.94/5,775.49
  6. Step 6: Final answer
    x = 2,423.41

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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.