Home / 8,166.16-11,263.31-5,328.99

Finding the Fourth Proportional to 8,166.16, 11,263.31 and 5,328.99

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Solution

The fourth proportional to 8,166.16, 11,263.31 and 5,328.99 is: 7,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.16 : 11,263.31 = 5,328.99 : x
  2. Step 2: Convert to fraction form
    8,166.16/11,263.31 = 5,328.99/x
  3. Step 3: Cross multiply
    8,166.16x = 11,263.31 × 5,328.99
  4. Step 4: Simplify right side
    8,166.16x = 60,022,066.36
  5. Step 5: Solve for x
    x = 60,022,066.36/8,166.16
  6. Step 6: Final answer
    x = 7,350.10

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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.