Home / 8,777.18-12,112.54-4,798.34

Finding the Fourth Proportional to 8,777.18, 12,112.54 and 4,798.34

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Solution

The fourth proportional to 8,777.18, 12,112.54 and 4,798.34 is: 6,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.18 : 12,112.54 = 4,798.34 : x
  2. Step 2: Convert to fraction form
    8,777.18/12,112.54 = 4,798.34/x
  3. Step 3: Cross multiply
    8,777.18x = 12,112.54 × 4,798.34
  4. Step 4: Simplify right side
    8,777.18x = 58,120,085.18
  5. Step 5: Solve for x
    x = 58,120,085.18/8,777.18
  6. Step 6: Final answer
    x = 6,621.73

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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.