Home / 8,935.08-13,423.47-5,239.86

Finding the Fourth Proportional to 8,935.08, 13,423.47 and 5,239.86

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Solution

The fourth proportional to 8,935.08, 13,423.47 and 5,239.86 is: 7,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.08 : 13,423.47 = 5,239.86 : x
  2. Step 2: Convert to fraction form
    8,935.08/13,423.47 = 5,239.86/x
  3. Step 3: Cross multiply
    8,935.08x = 13,423.47 × 5,239.86
  4. Step 4: Simplify right side
    8,935.08x = 70,337,103.51
  5. Step 5: Solve for x
    x = 70,337,103.51/8,935.08
  6. Step 6: Final answer
    x = 7,872.02

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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.