Home / 8,777.69-12,113.11-4,798.77

Finding the Fourth Proportional to 8,777.69, 12,113.11 and 4,798.77

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Solution

The fourth proportional to 8,777.69, 12,113.11 and 4,798.77 is: 6,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.69 : 12,113.11 = 4,798.77 : x
  2. Step 2: Convert to fraction form
    8,777.69/12,113.11 = 4,798.77/x
  3. Step 3: Cross multiply
    8,777.69x = 12,113.11 × 4,798.77
  4. Step 4: Simplify right side
    8,777.69x = 58,128,028.87
  5. Step 5: Solve for x
    x = 58,128,028.87/8,777.69
  6. Step 6: Final answer
    x = 6,622.25

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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.