Home / 9,299.40-12,829.54-5,318.38

Finding the Fourth Proportional to 9,299.40, 12,829.54 and 5,318.38

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Solution

The fourth proportional to 9,299.40, 12,829.54 and 5,318.38 is: 7,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.40 : 12,829.54 = 5,318.38 : x
  2. Step 2: Convert to fraction form
    9,299.40/12,829.54 = 5,318.38/x
  3. Step 3: Cross multiply
    9,299.40x = 12,829.54 × 5,318.38
  4. Step 4: Simplify right side
    9,299.40x = 68,232,368.95
  5. Step 5: Solve for x
    x = 68,232,368.95/9,299.40
  6. Step 6: Final answer
    x = 7,337.29

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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.