Home / 8,849.66-12,210.57-5,121.50

Finding the Fourth Proportional to 8,849.66, 12,210.57 and 5,121.50

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Solution

The fourth proportional to 8,849.66, 12,210.57 and 5,121.50 is: 7,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.66 : 12,210.57 = 5,121.50 : x
  2. Step 2: Convert to fraction form
    8,849.66/12,210.57 = 5,121.50/x
  3. Step 3: Cross multiply
    8,849.66x = 12,210.57 × 5,121.50
  4. Step 4: Simplify right side
    8,849.66x = 62,536,434.26
  5. Step 5: Solve for x
    x = 62,536,434.26/8,849.66
  6. Step 6: Final answer
    x = 7,066.54

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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.