Home / 5,307.92-7,318.26-4,248.44

Finding the Fourth Proportional to 5,307.92, 7,318.26 and 4,248.44

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Solution

The fourth proportional to 5,307.92, 7,318.26 and 4,248.44 is: 5,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.92 : 7,318.26 = 4,248.44 : x
  2. Step 2: Convert to fraction form
    5,307.92/7,318.26 = 4,248.44/x
  3. Step 3: Cross multiply
    5,307.92x = 7,318.26 × 4,248.44
  4. Step 4: Simplify right side
    5,307.92x = 31,091,188.51
  5. Step 5: Solve for x
    x = 31,091,188.51/5,307.92
  6. Step 6: Final answer
    x = 5,857.51

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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.