Home / 7,654.48-11,490.36-3,040.72

Finding the Fourth Proportional to 7,654.48, 11,490.36 and 3,040.72

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Solution

The fourth proportional to 7,654.48, 11,490.36 and 3,040.72 is: 4,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.48 : 11,490.36 = 3,040.72 : x
  2. Step 2: Convert to fraction form
    7,654.48/11,490.36 = 3,040.72/x
  3. Step 3: Cross multiply
    7,654.48x = 11,490.36 × 3,040.72
  4. Step 4: Simplify right side
    7,654.48x = 34,938,967.46
  5. Step 5: Solve for x
    x = 34,938,967.46/7,654.48
  6. Step 6: Final answer
    x = 4,564.51

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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.