Home / 8,402.48-12,603.95-2,559.09

Finding the Fourth Proportional to 8,402.48, 12,603.95 and 2,559.09

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Solution

The fourth proportional to 8,402.48, 12,603.95 and 2,559.09 is: 3,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.48 : 12,603.95 = 2,559.09 : x
  2. Step 2: Convert to fraction form
    8,402.48/12,603.95 = 2,559.09/x
  3. Step 3: Cross multiply
    8,402.48x = 12,603.95 × 2,559.09
  4. Step 4: Simplify right side
    8,402.48x = 32,254,700.87
  5. Step 5: Solve for x
    x = 32,254,700.87/8,402.48
  6. Step 6: Final answer
    x = 3,838.71

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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.