Home / 4,360.60-6,540.90-2,805.40

Finding the Fourth Proportional to 4,360.60, 6,540.90 and 2,805.40

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Solution

The fourth proportional to 4,360.60, 6,540.90 and 2,805.40 is: 4,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.60 : 6,540.90 = 2,805.40 : x
  2. Step 2: Convert to fraction form
    4,360.60/6,540.90 = 2,805.40/x
  3. Step 3: Cross multiply
    4,360.60x = 6,540.90 × 2,805.40
  4. Step 4: Simplify right side
    4,360.60x = 18,349,840.86
  5. Step 5: Solve for x
    x = 18,349,840.86/4,360.60
  6. Step 6: Final answer
    x = 4,208.10

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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.