Home / 8,429.50-12,637.77-4,528.54

Finding the Fourth Proportional to 8,429.50, 12,637.77 and 4,528.54

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Solution

The fourth proportional to 8,429.50, 12,637.77 and 4,528.54 is: 6,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.50 : 12,637.77 = 4,528.54 : x
  2. Step 2: Convert to fraction form
    8,429.50/12,637.77 = 4,528.54/x
  3. Step 3: Cross multiply
    8,429.50x = 12,637.77 × 4,528.54
  4. Step 4: Simplify right side
    8,429.50x = 57,230,646.96
  5. Step 5: Solve for x
    x = 57,230,646.96/8,429.50
  6. Step 6: Final answer
    x = 6,789.33

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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.