Home / 8,538.60-11,783.34-4,762.20

Finding the Fourth Proportional to 8,538.60, 11,783.34 and 4,762.20

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Solution

The fourth proportional to 8,538.60, 11,783.34 and 4,762.20 is: 6,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.60 : 11,783.34 = 4,762.20 : x
  2. Step 2: Convert to fraction form
    8,538.60/11,783.34 = 4,762.20/x
  3. Step 3: Cross multiply
    8,538.60x = 11,783.34 × 4,762.20
  4. Step 4: Simplify right side
    8,538.60x = 56,114,621.75
  5. Step 5: Solve for x
    x = 56,114,621.75/8,538.60
  6. Step 6: Final answer
    x = 6,571.88

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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.