Home / 8,603.42-11,872.31-4,774.82

Finding the Fourth Proportional to 8,603.42, 11,872.31 and 4,774.82

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Solution

The fourth proportional to 8,603.42, 11,872.31 and 4,774.82 is: 6,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.42 : 11,872.31 = 4,774.82 : x
  2. Step 2: Convert to fraction form
    8,603.42/11,872.31 = 4,774.82/x
  3. Step 3: Cross multiply
    8,603.42x = 11,872.31 × 4,774.82
  4. Step 4: Simplify right side
    8,603.42x = 56,688,060.00
  5. Step 5: Solve for x
    x = 56,688,060.00/8,603.42
  6. Step 6: Final answer
    x = 6,589.02

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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.