Home / 5,728.08-8,592.45-1,779.72

Finding the Fourth Proportional to 5,728.08, 8,592.45 and 1,779.72

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Solution

The fourth proportional to 5,728.08, 8,592.45 and 1,779.72 is: 2,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.08 : 8,592.45 = 1,779.72 : x
  2. Step 2: Convert to fraction form
    5,728.08/8,592.45 = 1,779.72/x
  3. Step 3: Cross multiply
    5,728.08x = 8,592.45 × 1,779.72
  4. Step 4: Simplify right side
    5,728.08x = 15,292,155.11
  5. Step 5: Solve for x
    x = 15,292,155.11/5,728.08
  6. Step 6: Final answer
    x = 2,669.68

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Double scale
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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.