Home / 5,779.11-8,670.40-2,445.64

Finding the Fourth Proportional to 5,779.11, 8,670.40 and 2,445.64

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Solution

The fourth proportional to 5,779.11, 8,670.40 and 2,445.64 is: 3,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.11 : 8,670.40 = 2,445.64 : x
  2. Step 2: Convert to fraction form
    5,779.11/8,670.40 = 2,445.64/x
  3. Step 3: Cross multiply
    5,779.11x = 8,670.40 × 2,445.64
  4. Step 4: Simplify right side
    5,779.11x = 21,204,677.06
  5. Step 5: Solve for x
    x = 21,204,677.06/5,779.11
  6. Step 6: Final answer
    x = 3,669.19

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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.