Home / 5,775.47-8,663.76-1,615.49

Finding the Fourth Proportional to 5,775.47, 8,663.76 and 1,615.49

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Solution

The fourth proportional to 5,775.47, 8,663.76 and 1,615.49 is: 2,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.47 : 8,663.76 = 1,615.49 : x
  2. Step 2: Convert to fraction form
    5,775.47/8,663.76 = 1,615.49/x
  3. Step 3: Cross multiply
    5,775.47x = 8,663.76 × 1,615.49
  4. Step 4: Simplify right side
    5,775.47x = 13,996,174.32
  5. Step 5: Solve for x
    x = 13,996,174.32/5,775.47
  6. Step 6: Final answer
    x = 2,423.38

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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.