Home / 8,772.48-13,155.36-3,224.64

Finding the Fourth Proportional to 8,772.48, 13,155.36 and 3,224.64

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Solution

The fourth proportional to 8,772.48, 13,155.36 and 3,224.64 is: 4,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.48 : 13,155.36 = 3,224.64 : x
  2. Step 2: Convert to fraction form
    8,772.48/13,155.36 = 3,224.64/x
  3. Step 3: Cross multiply
    8,772.48x = 13,155.36 × 3,224.64
  4. Step 4: Simplify right side
    8,772.48x = 42,421,300.07
  5. Step 5: Solve for x
    x = 42,421,300.07/8,772.48
  6. Step 6: Final answer
    x = 4,835.72

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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.