Home / 8,533.80-12,792.40-5,247.84

Finding the Fourth Proportional to 8,533.80, 12,792.40 and 5,247.84

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Solution

The fourth proportional to 8,533.80, 12,792.40 and 5,247.84 is: 7,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.80 : 12,792.40 = 5,247.84 : x
  2. Step 2: Convert to fraction form
    8,533.80/12,792.40 = 5,247.84/x
  3. Step 3: Cross multiply
    8,533.80x = 12,792.40 × 5,247.84
  4. Step 4: Simplify right side
    8,533.80x = 67,132,468.42
  5. Step 5: Solve for x
    x = 67,132,468.42/8,533.80
  6. Step 6: Final answer
    x = 7,866.66

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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.