Home / 7,538.72-11,309.16-2,345.12

Finding the Fourth Proportional to 7,538.72, 11,309.16 and 2,345.12

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Solution

The fourth proportional to 7,538.72, 11,309.16 and 2,345.12 is: 3,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.72 : 11,309.16 = 2,345.12 : x
  2. Step 2: Convert to fraction form
    7,538.72/11,309.16 = 2,345.12/x
  3. Step 3: Cross multiply
    7,538.72x = 11,309.16 × 2,345.12
  4. Step 4: Simplify right side
    7,538.72x = 26,521,337.30
  5. Step 5: Solve for x
    x = 26,521,337.30/7,538.72
  6. Step 6: Final answer
    x = 3,518.02

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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.