Home / 8,539.04-11,783.85-4,762.21

Finding the Fourth Proportional to 8,539.04, 11,783.85 and 4,762.21

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Solution

The fourth proportional to 8,539.04, 11,783.85 and 4,762.21 is: 6,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.04 : 11,783.85 = 4,762.21 : x
  2. Step 2: Convert to fraction form
    8,539.04/11,783.85 = 4,762.21/x
  3. Step 3: Cross multiply
    8,539.04x = 11,783.85 × 4,762.21
  4. Step 4: Simplify right side
    8,539.04x = 56,117,180.21
  5. Step 5: Solve for x
    x = 56,117,180.21/8,539.04
  6. Step 6: Final answer
    x = 6,571.84

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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.