Home / 8,330.70-12,483.72-3,646.38

Finding the Fourth Proportional to 8,330.70, 12,483.72 and 3,646.38

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Solution

The fourth proportional to 8,330.70, 12,483.72 and 3,646.38 is: 5,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.70 : 12,483.72 = 3,646.38 : x
  2. Step 2: Convert to fraction form
    8,330.70/12,483.72 = 3,646.38/x
  3. Step 3: Cross multiply
    8,330.70x = 12,483.72 × 3,646.38
  4. Step 4: Simplify right side
    8,330.70x = 45,520,386.93
  5. Step 5: Solve for x
    x = 45,520,386.93/8,330.70
  6. Step 6: Final answer
    x = 5,464.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.