Home / 8,664.08-11,953.28-5,477.60

Finding the Fourth Proportional to 8,664.08, 11,953.28 and 5,477.60

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Solution

The fourth proportional to 8,664.08, 11,953.28 and 5,477.60 is: 7,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.08 : 11,953.28 = 5,477.60 : x
  2. Step 2: Convert to fraction form
    8,664.08/11,953.28 = 5,477.60/x
  3. Step 3: Cross multiply
    8,664.08x = 11,953.28 × 5,477.60
  4. Step 4: Simplify right side
    8,664.08x = 65,475,286.53
  5. Step 5: Solve for x
    x = 65,475,286.53/8,664.08
  6. Step 6: Final answer
    x = 7,557.10

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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.