Home / 8,635.30-11,913.73-4,857.86

Finding the Fourth Proportional to 8,635.30, 11,913.73 and 4,857.86

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Solution

The fourth proportional to 8,635.30, 11,913.73 and 4,857.86 is: 6,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.30 : 11,913.73 = 4,857.86 : x
  2. Step 2: Convert to fraction form
    8,635.30/11,913.73 = 4,857.86/x
  3. Step 3: Cross multiply
    8,635.30x = 11,913.73 × 4,857.86
  4. Step 4: Simplify right side
    8,635.30x = 57,875,281.50
  5. Step 5: Solve for x
    x = 57,875,281.50/8,635.30
  6. Step 6: Final answer
    x = 6,702.17

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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.