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Finding the Fourth Proportional to 6,556.79, 9,826.54 and 2,659.07

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Solution

The fourth proportional to 6,556.79, 9,826.54 and 2,659.07 is: 3,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.79 : 9,826.54 = 2,659.07 : x
  2. Step 2: Convert to fraction form
    6,556.79/9,826.54 = 2,659.07/x
  3. Step 3: Cross multiply
    6,556.79x = 9,826.54 × 2,659.07
  4. Step 4: Simplify right side
    6,556.79x = 26,129,475.64
  5. Step 5: Solve for x
    x = 26,129,475.64/6,556.79
  6. Step 6: Final answer
    x = 3,985.10

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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.