Home / 8,239.28-11,369.58-4,702.01

Finding the Fourth Proportional to 8,239.28, 11,369.58 and 4,702.01

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Solution

The fourth proportional to 8,239.28, 11,369.58 and 4,702.01 is: 6,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.28 : 11,369.58 = 4,702.01 : x
  2. Step 2: Convert to fraction form
    8,239.28/11,369.58 = 4,702.01/x
  3. Step 3: Cross multiply
    8,239.28x = 11,369.58 × 4,702.01
  4. Step 4: Simplify right side
    8,239.28x = 53,459,878.86
  5. Step 5: Solve for x
    x = 53,459,878.86/8,239.28
  6. Step 6: Final answer
    x = 6,488.42

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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.