Home / 8,210.04-12,314.99-5,571.02

Finding the Fourth Proportional to 8,210.04, 12,314.99 and 5,571.02

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Solution

The fourth proportional to 8,210.04, 12,314.99 and 5,571.02 is: 8,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.04 : 12,314.99 = 5,571.02 : x
  2. Step 2: Convert to fraction form
    8,210.04/12,314.99 = 5,571.02/x
  3. Step 3: Cross multiply
    8,210.04x = 12,314.99 × 5,571.02
  4. Step 4: Simplify right side
    8,210.04x = 68,606,966.16
  5. Step 5: Solve for x
    x = 68,606,966.16/8,210.04
  6. Step 6: Final answer
    x = 8,356.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.