Home / 6,980.18-10,473.81-4,641.81

Finding the Fourth Proportional to 6,980.18, 10,473.81 and 4,641.81

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Solution

The fourth proportional to 6,980.18, 10,473.81 and 4,641.81 is: 6,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.18 : 10,473.81 = 4,641.81 : x
  2. Step 2: Convert to fraction form
    6,980.18/10,473.81 = 4,641.81/x
  3. Step 3: Cross multiply
    6,980.18x = 10,473.81 × 4,641.81
  4. Step 4: Simplify right side
    6,980.18x = 48,617,379.31
  5. Step 5: Solve for x
    x = 48,617,379.31/6,980.18
  6. Step 6: Final answer
    x = 6,965.07

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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.