Home / 5,059.90-7,590.66-1,939.78

Finding the Fourth Proportional to 5,059.90, 7,590.66 and 1,939.78

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Solution

The fourth proportional to 5,059.90, 7,590.66 and 1,939.78 is: 2,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.90 : 7,590.66 = 1,939.78 : x
  2. Step 2: Convert to fraction form
    5,059.90/7,590.66 = 1,939.78/x
  3. Step 3: Cross multiply
    5,059.90x = 7,590.66 × 1,939.78
  4. Step 4: Simplify right side
    5,059.90x = 14,724,210.45
  5. Step 5: Solve for x
    x = 14,724,210.45/5,059.90
  6. Step 6: Final answer
    x = 2,909.98

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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.