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Finding the Fourth Proportional to 8,756.56, 13,134.52 and 2,600.40

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Solution

The fourth proportional to 8,756.56, 13,134.52 and 2,600.40 is: 3,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.56 : 13,134.52 = 2,600.40 : x
  2. Step 2: Convert to fraction form
    8,756.56/13,134.52 = 2,600.40/x
  3. Step 3: Cross multiply
    8,756.56x = 13,134.52 × 2,600.40
  4. Step 4: Simplify right side
    8,756.56x = 34,155,005.81
  5. Step 5: Solve for x
    x = 34,155,005.81/8,756.56
  6. Step 6: Final answer
    x = 3,900.50

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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.