Home / 8,964.06-12,370.86-4,985.25

Finding the Fourth Proportional to 8,964.06, 12,370.86 and 4,985.25

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Solution

The fourth proportional to 8,964.06, 12,370.86 and 4,985.25 is: 6,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.06 : 12,370.86 = 4,985.25 : x
  2. Step 2: Convert to fraction form
    8,964.06/12,370.86 = 4,985.25/x
  3. Step 3: Cross multiply
    8,964.06x = 12,370.86 × 4,985.25
  4. Step 4: Simplify right side
    8,964.06x = 61,671,829.82
  5. Step 5: Solve for x
    x = 61,671,829.82/8,964.06
  6. Step 6: Final answer
    x = 6,879.90

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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.