Home / 6,424.72-8,866.50-4,436.20

Finding the Fourth Proportional to 6,424.72, 8,866.50 and 4,436.20

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Solution

The fourth proportional to 6,424.72, 8,866.50 and 4,436.20 is: 6,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.72 : 8,866.50 = 4,436.20 : x
  2. Step 2: Convert to fraction form
    6,424.72/8,866.50 = 4,436.20/x
  3. Step 3: Cross multiply
    6,424.72x = 8,866.50 × 4,436.20
  4. Step 4: Simplify right side
    6,424.72x = 39,333,567.30
  5. Step 5: Solve for x
    x = 39,333,567.30/6,424.72
  6. Step 6: Final answer
    x = 6,122.22

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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.