Home / 8,288.80-11,438.72-4,752.16

Finding the Fourth Proportional to 8,288.80, 11,438.72 and 4,752.16

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Solution

The fourth proportional to 8,288.80, 11,438.72 and 4,752.16 is: 6,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.80 : 11,438.72 = 4,752.16 : x
  2. Step 2: Convert to fraction form
    8,288.80/11,438.72 = 4,752.16/x
  3. Step 3: Cross multiply
    8,288.80x = 11,438.72 × 4,752.16
  4. Step 4: Simplify right side
    8,288.80x = 54,358,627.64
  5. Step 5: Solve for x
    x = 54,358,627.64/8,288.80
  6. Step 6: Final answer
    x = 6,558.08

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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.