Home / 6,876.12-10,303.36-5,319.98

Finding the Fourth Proportional to 6,876.12, 10,303.36 and 5,319.98

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Solution

The fourth proportional to 6,876.12, 10,303.36 and 5,319.98 is: 7,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.12 : 10,303.36 = 5,319.98 : x
  2. Step 2: Convert to fraction form
    6,876.12/10,303.36 = 5,319.98/x
  3. Step 3: Cross multiply
    6,876.12x = 10,303.36 × 5,319.98
  4. Step 4: Simplify right side
    6,876.12x = 54,813,669.13
  5. Step 5: Solve for x
    x = 54,813,669.13/6,876.12
  6. Step 6: Final answer
    x = 7,971.60

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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.