Home / 7,678.75-10,595.08-4,491.42

Finding the Fourth Proportional to 7,678.75, 10,595.08 and 4,491.42

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Solution

The fourth proportional to 7,678.75, 10,595.08 and 4,491.42 is: 6,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.75 : 10,595.08 = 4,491.42 : x
  2. Step 2: Convert to fraction form
    7,678.75/10,595.08 = 4,491.42/x
  3. Step 3: Cross multiply
    7,678.75x = 10,595.08 × 4,491.42
  4. Step 4: Simplify right side
    7,678.75x = 47,586,954.21
  5. Step 5: Solve for x
    x = 47,586,954.21/7,678.75
  6. Step 6: Final answer
    x = 6,197.23

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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.