Home / 5,288.37-7,297.86-2,898.53

Finding the Fourth Proportional to 5,288.37, 7,297.86 and 2,898.53

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Solution

The fourth proportional to 5,288.37, 7,297.86 and 2,898.53 is: 3,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.37 : 7,297.86 = 2,898.53 : x
  2. Step 2: Convert to fraction form
    5,288.37/7,297.86 = 2,898.53/x
  3. Step 3: Cross multiply
    5,288.37x = 7,297.86 × 2,898.53
  4. Step 4: Simplify right side
    5,288.37x = 21,153,029.66
  5. Step 5: Solve for x
    x = 21,153,029.66/5,288.37
  6. Step 6: Final answer
    x = 3,999.91

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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.