Home / 8,345.52-11,516.03-4,987.67

Finding the Fourth Proportional to 8,345.52, 11,516.03 and 4,987.67

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Solution

The fourth proportional to 8,345.52, 11,516.03 and 4,987.67 is: 6,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.52 : 11,516.03 = 4,987.67 : x
  2. Step 2: Convert to fraction form
    8,345.52/11,516.03 = 4,987.67/x
  3. Step 3: Cross multiply
    8,345.52x = 11,516.03 × 4,987.67
  4. Step 4: Simplify right side
    8,345.52x = 57,438,157.35
  5. Step 5: Solve for x
    x = 57,438,157.35/8,345.52
  6. Step 6: Final answer
    x = 6,882.51

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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.