Home / 9,658.53-13,330.44-5,466.78

Finding the Fourth Proportional to 9,658.53, 13,330.44 and 5,466.78

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Solution

The fourth proportional to 9,658.53, 13,330.44 and 5,466.78 is: 7,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,658.53 : 13,330.44 = 5,466.78 : x
  2. Step 2: Convert to fraction form
    9,658.53/13,330.44 = 5,466.78/x
  3. Step 3: Cross multiply
    9,658.53x = 13,330.44 × 5,466.78
  4. Step 4: Simplify right side
    9,658.53x = 72,874,582.78
  5. Step 5: Solve for x
    x = 72,874,582.78/9,658.53
  6. Step 6: Final answer
    x = 7,545.10

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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.