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Finding the Fourth Proportional to 7,059.66, 10,590.87 and 2,129.10

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Solution

The fourth proportional to 7,059.66, 10,590.87 and 2,129.10 is: 3,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.66 : 10,590.87 = 2,129.10 : x
  2. Step 2: Convert to fraction form
    7,059.66/10,590.87 = 2,129.10/x
  3. Step 3: Cross multiply
    7,059.66x = 10,590.87 × 2,129.10
  4. Step 4: Simplify right side
    7,059.66x = 22,549,021.32
  5. Step 5: Solve for x
    x = 22,549,021.32/7,059.66
  6. Step 6: Final answer
    x = 3,194.07

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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.