Home / 8,751.72-12,077.36-4,772.83

Finding the Fourth Proportional to 8,751.72, 12,077.36 and 4,772.83

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Solution

The fourth proportional to 8,751.72, 12,077.36 and 4,772.83 is: 6,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.72 : 12,077.36 = 4,772.83 : x
  2. Step 2: Convert to fraction form
    8,751.72/12,077.36 = 4,772.83/x
  3. Step 3: Cross multiply
    8,751.72x = 12,077.36 × 4,772.83
  4. Step 4: Simplify right side
    8,751.72x = 57,643,186.13
  5. Step 5: Solve for x
    x = 57,643,186.13/8,751.72
  6. Step 6: Final answer
    x = 6,586.50

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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.