Home / 8,539.10-12,794.85-4,830.30

Finding the Fourth Proportional to 8,539.10, 12,794.85 and 4,830.30

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Solution

The fourth proportional to 8,539.10, 12,794.85 and 4,830.30 is: 7,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.10 : 12,794.85 = 4,830.30 : x
  2. Step 2: Convert to fraction form
    8,539.10/12,794.85 = 4,830.30/x
  3. Step 3: Cross multiply
    8,539.10x = 12,794.85 × 4,830.30
  4. Step 4: Simplify right side
    8,539.10x = 61,802,963.96
  5. Step 5: Solve for x
    x = 61,802,963.96/8,539.10
  6. Step 6: Final answer
    x = 7,237.64

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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.