Home / 7,370.08-11,041.36-3,909.60

Finding the Fourth Proportional to 7,370.08, 11,041.36 and 3,909.60

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Solution

The fourth proportional to 7,370.08, 11,041.36 and 3,909.60 is: 5,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.08 : 11,041.36 = 3,909.60 : x
  2. Step 2: Convert to fraction form
    7,370.08/11,041.36 = 3,909.60/x
  3. Step 3: Cross multiply
    7,370.08x = 11,041.36 × 3,909.60
  4. Step 4: Simplify right side
    7,370.08x = 43,167,301.06
  5. Step 5: Solve for x
    x = 43,167,301.06/7,370.08
  6. Step 6: Final answer
    x = 5,857.10

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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.