Home / 6,356.40-9,534.60-4,166.40

Finding the Fourth Proportional to 6,356.40, 9,534.60 and 4,166.40

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Solution

The fourth proportional to 6,356.40, 9,534.60 and 4,166.40 is: 6,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.40 : 9,534.60 = 4,166.40 : x
  2. Step 2: Convert to fraction form
    6,356.40/9,534.60 = 4,166.40/x
  3. Step 3: Cross multiply
    6,356.40x = 9,534.60 × 4,166.40
  4. Step 4: Simplify right side
    6,356.40x = 39,724,957.44
  5. Step 5: Solve for x
    x = 39,724,957.44/6,356.40
  6. Step 6: Final answer
    x = 6,249.60

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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.