Home / 4,353.48-6,477.84-4,338.90

Finding the Fourth Proportional to 4,353.48, 6,477.84 and 4,338.90

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Solution

The fourth proportional to 4,353.48, 6,477.84 and 4,338.90 is: 6,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.48 : 6,477.84 = 4,338.90 : x
  2. Step 2: Convert to fraction form
    4,353.48/6,477.84 = 4,338.90/x
  3. Step 3: Cross multiply
    4,353.48x = 6,477.84 × 4,338.90
  4. Step 4: Simplify right side
    4,353.48x = 28,106,699.98
  5. Step 5: Solve for x
    x = 28,106,699.98/4,353.48
  6. Step 6: Final answer
    x = 6,456.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.