Home / 5,465.60-8,199.84-1,570.32

Finding the Fourth Proportional to 5,465.60, 8,199.84 and 1,570.32

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Solution

The fourth proportional to 5,465.60, 8,199.84 and 1,570.32 is: 2,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.60 : 8,199.84 = 1,570.32 : x
  2. Step 2: Convert to fraction form
    5,465.60/8,199.84 = 1,570.32/x
  3. Step 3: Cross multiply
    5,465.60x = 8,199.84 × 1,570.32
  4. Step 4: Simplify right side
    5,465.60x = 12,876,372.75
  5. Step 5: Solve for x
    x = 12,876,372.75/5,465.60
  6. Step 6: Final answer
    x = 2,355.89

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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.