Home / 7,678.08-10,595.52-4,321.08

Finding the Fourth Proportional to 7,678.08, 10,595.52 and 4,321.08

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Solution

The fourth proportional to 7,678.08, 10,595.52 and 4,321.08 is: 5,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.08 : 10,595.52 = 4,321.08 : x
  2. Step 2: Convert to fraction form
    7,678.08/10,595.52 = 4,321.08/x
  3. Step 3: Cross multiply
    7,678.08x = 10,595.52 × 4,321.08
  4. Step 4: Simplify right side
    7,678.08x = 45,784,089.56
  5. Step 5: Solve for x
    x = 45,784,089.56/7,678.08
  6. Step 6: Final answer
    x = 5,962.96

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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.