Home / 8,521.36-11,761.14-4,984.90

Finding the Fourth Proportional to 8,521.36, 11,761.14 and 4,984.90

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Solution

The fourth proportional to 8,521.36, 11,761.14 and 4,984.90 is: 6,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.36 : 11,761.14 = 4,984.90 : x
  2. Step 2: Convert to fraction form
    8,521.36/11,761.14 = 4,984.90/x
  3. Step 3: Cross multiply
    8,521.36x = 11,761.14 × 4,984.90
  4. Step 4: Simplify right side
    8,521.36x = 58,628,106.79
  5. Step 5: Solve for x
    x = 58,628,106.79/8,521.36
  6. Step 6: Final answer
    x = 6,880.13

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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.