Home / 7,886.32-10,887.64-5,237.36

Finding the Fourth Proportional to 7,886.32, 10,887.64 and 5,237.36

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Solution

The fourth proportional to 7,886.32, 10,887.64 and 5,237.36 is: 7,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.32 : 10,887.64 = 5,237.36 : x
  2. Step 2: Convert to fraction form
    7,886.32/10,887.64 = 5,237.36/x
  3. Step 3: Cross multiply
    7,886.32x = 10,887.64 × 5,237.36
  4. Step 4: Simplify right side
    7,886.32x = 57,022,490.23
  5. Step 5: Solve for x
    x = 57,022,490.23/7,886.32
  6. Step 6: Final answer
    x = 7,230.56

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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.