Home / 6,408.37-8,830.43-4,727.12

Finding the Fourth Proportional to 6,408.37, 8,830.43 and 4,727.12

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Solution

The fourth proportional to 6,408.37, 8,830.43 and 4,727.12 is: 6,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.37 : 8,830.43 = 4,727.12 : x
  2. Step 2: Convert to fraction form
    6,408.37/8,830.43 = 4,727.12/x
  3. Step 3: Cross multiply
    6,408.37x = 8,830.43 × 4,727.12
  4. Step 4: Simplify right side
    6,408.37x = 41,742,434.47
  5. Step 5: Solve for x
    x = 41,742,434.47/6,408.37
  6. Step 6: Final answer
    x = 6,513.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.