Home / 7,678.78-10,596.32-4,534.36

Finding the Fourth Proportional to 7,678.78, 10,596.32 and 4,534.36

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Solution

The fourth proportional to 7,678.78, 10,596.32 and 4,534.36 is: 6,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.78 : 10,596.32 = 4,534.36 : x
  2. Step 2: Convert to fraction form
    7,678.78/10,596.32 = 4,534.36/x
  3. Step 3: Cross multiply
    7,678.78x = 10,596.32 × 4,534.36
  4. Step 4: Simplify right side
    7,678.78x = 48,047,529.56
  5. Step 5: Solve for x
    x = 48,047,529.56/7,678.78
  6. Step 6: Final answer
    x = 6,257.18

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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.