Home / 8,127.42-11,210.96-4,938.50

Finding the Fourth Proportional to 8,127.42, 11,210.96 and 4,938.50

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Solution

The fourth proportional to 8,127.42, 11,210.96 and 4,938.50 is: 6,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.42 : 11,210.96 = 4,938.50 : x
  2. Step 2: Convert to fraction form
    8,127.42/11,210.96 = 4,938.50/x
  3. Step 3: Cross multiply
    8,127.42x = 11,210.96 × 4,938.50
  4. Step 4: Simplify right side
    8,127.42x = 55,365,245.21
  5. Step 5: Solve for x
    x = 55,365,245.21/8,127.42
  6. Step 6: Final answer
    x = 6,812.16

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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.