Home / 7,059.50-9,742.40-3,873.09

Finding the Fourth Proportional to 7,059.50, 9,742.40 and 3,873.09

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Solution

The fourth proportional to 7,059.50, 9,742.40 and 3,873.09 is: 5,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.50 : 9,742.40 = 3,873.09 : x
  2. Step 2: Convert to fraction form
    7,059.50/9,742.40 = 3,873.09/x
  3. Step 3: Cross multiply
    7,059.50x = 9,742.40 × 3,873.09
  4. Step 4: Simplify right side
    7,059.50x = 37,733,207.20
  5. Step 5: Solve for x
    x = 37,733,207.20/7,059.50
  6. Step 6: Final answer
    x = 5,345.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.