Home / 5,779.56-8,669.34-1,397.02

Finding the Fourth Proportional to 5,779.56, 8,669.34 and 1,397.02

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Solution

The fourth proportional to 5,779.56, 8,669.34 and 1,397.02 is: 2,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.56 : 8,669.34 = 1,397.02 : x
  2. Step 2: Convert to fraction form
    5,779.56/8,669.34 = 1,397.02/x
  3. Step 3: Cross multiply
    5,779.56x = 8,669.34 × 1,397.02
  4. Step 4: Simplify right side
    5,779.56x = 12,111,219.69
  5. Step 5: Solve for x
    x = 12,111,219.69/5,779.56
  6. Step 6: Final answer
    x = 2,095.53

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Similar ratio
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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.