Home / 7,678.40-10,593.42-5,027.32

Finding the Fourth Proportional to 7,678.40, 10,593.42 and 5,027.32

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Solution

The fourth proportional to 7,678.40, 10,593.42 and 5,027.32 is: 6,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.40 : 10,593.42 = 5,027.32 : x
  2. Step 2: Convert to fraction form
    7,678.40/10,593.42 = 5,027.32/x
  3. Step 3: Cross multiply
    7,678.40x = 10,593.42 × 5,027.32
  4. Step 4: Simplify right side
    7,678.40x = 53,256,512.23
  5. Step 5: Solve for x
    x = 53,256,512.23/7,678.40
  6. Step 6: Final answer
    x = 6,935.89

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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.