Home / 8,948.80-12,349.36-4,969.81

Finding the Fourth Proportional to 8,948.80, 12,349.36 and 4,969.81

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Solution

The fourth proportional to 8,948.80, 12,349.36 and 4,969.81 is: 6,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.80 : 12,349.36 = 4,969.81 : x
  2. Step 2: Convert to fraction form
    8,948.80/12,349.36 = 4,969.81/x
  3. Step 3: Cross multiply
    8,948.80x = 12,349.36 × 4,969.81
  4. Step 4: Simplify right side
    8,948.80x = 61,373,972.82
  5. Step 5: Solve for x
    x = 61,373,972.82/8,948.80
  6. Step 6: Final answer
    x = 6,858.35

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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.