Home / 8,555.90-12,810.68-4,443.26

Finding the Fourth Proportional to 8,555.90, 12,810.68 and 4,443.26

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Solution

The fourth proportional to 8,555.90, 12,810.68 and 4,443.26 is: 6,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.90 : 12,810.68 = 4,443.26 : x
  2. Step 2: Convert to fraction form
    8,555.90/12,810.68 = 4,443.26/x
  3. Step 3: Cross multiply
    8,555.90x = 12,810.68 × 4,443.26
  4. Step 4: Simplify right side
    8,555.90x = 56,921,182.02
  5. Step 5: Solve for x
    x = 56,921,182.02/8,555.90
  6. Step 6: Final answer
    x = 6,652.86

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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.