Home / 8,288.10-11,437.56-4,511.21

Finding the Fourth Proportional to 8,288.10, 11,437.56 and 4,511.21

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Solution

The fourth proportional to 8,288.10, 11,437.56 and 4,511.21 is: 6,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.10 : 11,437.56 = 4,511.21 : x
  2. Step 2: Convert to fraction form
    8,288.10/11,437.56 = 4,511.21/x
  3. Step 3: Cross multiply
    8,288.10x = 11,437.56 × 4,511.21
  4. Step 4: Simplify right side
    8,288.10x = 51,597,177.86
  5. Step 5: Solve for x
    x = 51,597,177.86/8,288.10
  6. Step 6: Final answer
    x = 6,225.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.