Home / 8,403.08-12,588.21-5,108.00

Finding the Fourth Proportional to 8,403.08, 12,588.21 and 5,108.00

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Solution

The fourth proportional to 8,403.08, 12,588.21 and 5,108.00 is: 7,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.08 : 12,588.21 = 5,108.00 : x
  2. Step 2: Convert to fraction form
    8,403.08/12,588.21 = 5,108.00/x
  3. Step 3: Cross multiply
    8,403.08x = 12,588.21 × 5,108.00
  4. Step 4: Simplify right side
    8,403.08x = 64,300,513.74
  5. Step 5: Solve for x
    x = 64,300,513.74/8,403.08
  6. Step 6: Final answer
    x = 7,652.02

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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.