Home / 5,779.38-8,670.37-1,830.87

Finding the Fourth Proportional to 5,779.38, 8,670.37 and 1,830.87

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Solution

The fourth proportional to 5,779.38, 8,670.37 and 1,830.87 is: 2,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.38 : 8,670.37 = 1,830.87 : x
  2. Step 2: Convert to fraction form
    5,779.38/8,670.37 = 1,830.87/x
  3. Step 3: Cross multiply
    5,779.38x = 8,670.37 × 1,830.87
  4. Step 4: Simplify right side
    5,779.38x = 15,874,320.32
  5. Step 5: Solve for x
    x = 15,874,320.32/5,779.38
  6. Step 6: Final answer
    x = 2,746.72

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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.