Home / 8,468.72-11,678.28-6,529.58

Finding the Fourth Proportional to 8,468.72, 11,678.28 and 6,529.58

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Solution

The fourth proportional to 8,468.72, 11,678.28 and 6,529.58 is: 9,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.72 : 11,678.28 = 6,529.58 : x
  2. Step 2: Convert to fraction form
    8,468.72/11,678.28 = 6,529.58/x
  3. Step 3: Cross multiply
    8,468.72x = 11,678.28 × 6,529.58
  4. Step 4: Simplify right side
    8,468.72x = 76,254,263.52
  5. Step 5: Solve for x
    x = 76,254,263.52/8,468.72
  6. Step 6: Final answer
    x = 9,004.23

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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.