Home / 7,612.40-11,389.89-4,494.10

Finding the Fourth Proportional to 7,612.40, 11,389.89 and 4,494.10

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Solution

The fourth proportional to 7,612.40, 11,389.89 and 4,494.10 is: 6,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.40 : 11,389.89 = 4,494.10 : x
  2. Step 2: Convert to fraction form
    7,612.40/11,389.89 = 4,494.10/x
  3. Step 3: Cross multiply
    7,612.40x = 11,389.89 × 4,494.10
  4. Step 4: Simplify right side
    7,612.40x = 51,187,282.18
  5. Step 5: Solve for x
    x = 51,187,282.18/7,612.40
  6. Step 6: Final answer
    x = 6,724.20

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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.