Home / 6,356.19-8,771.54-3,561.69

Finding the Fourth Proportional to 6,356.19, 8,771.54 and 3,561.69

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Solution

The fourth proportional to 6,356.19, 8,771.54 and 3,561.69 is: 4,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.19 : 8,771.54 = 3,561.69 : x
  2. Step 2: Convert to fraction form
    6,356.19/8,771.54 = 3,561.69/x
  3. Step 3: Cross multiply
    6,356.19x = 8,771.54 × 3,561.69
  4. Step 4: Simplify right side
    6,356.19x = 31,241,506.30
  5. Step 5: Solve for x
    x = 31,241,506.30/6,356.19
  6. Step 6: Final answer
    x = 4,915.13

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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.