Home / 5,335.16-8,000.72-2,561.05

Finding the Fourth Proportional to 5,335.16, 8,000.72 and 2,561.05

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Solution

The fourth proportional to 5,335.16, 8,000.72 and 2,561.05 is: 3,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.16 : 8,000.72 = 2,561.05 : x
  2. Step 2: Convert to fraction form
    5,335.16/8,000.72 = 2,561.05/x
  3. Step 3: Cross multiply
    5,335.16x = 8,000.72 × 2,561.05
  4. Step 4: Simplify right side
    5,335.16x = 20,490,191.15
  5. Step 5: Solve for x
    x = 20,490,191.15/5,335.16
  6. Step 6: Final answer
    x = 3,840.60

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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.