Home / 6,612.18-9,126.39-4,491.25

Finding the Fourth Proportional to 6,612.18, 9,126.39 and 4,491.25

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Solution

The fourth proportional to 6,612.18, 9,126.39 and 4,491.25 is: 6,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.18 : 9,126.39 = 4,491.25 : x
  2. Step 2: Convert to fraction form
    6,612.18/9,126.39 = 4,491.25/x
  3. Step 3: Cross multiply
    6,612.18x = 9,126.39 × 4,491.25
  4. Step 4: Simplify right side
    6,612.18x = 40,988,899.09
  5. Step 5: Solve for x
    x = 40,988,899.09/6,612.18
  6. Step 6: Final answer
    x = 6,199.00

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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.