Home / 8,935.64-13,408.14-4,260.86

Finding the Fourth Proportional to 8,935.64, 13,408.14 and 4,260.86

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Solution

The fourth proportional to 8,935.64, 13,408.14 and 4,260.86 is: 6,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.64 : 13,408.14 = 4,260.86 : x
  2. Step 2: Convert to fraction form
    8,935.64/13,408.14 = 4,260.86/x
  3. Step 3: Cross multiply
    8,935.64x = 13,408.14 × 4,260.86
  4. Step 4: Simplify right side
    8,935.64x = 57,130,207.40
  5. Step 5: Solve for x
    x = 57,130,207.40/8,935.64
  6. Step 6: Final answer
    x = 6,393.52

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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.