Home / 5,476.80-8,210.70-2,359.20

Finding the Fourth Proportional to 5,476.80, 8,210.70 and 2,359.20

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Solution

The fourth proportional to 5,476.80, 8,210.70 and 2,359.20 is: 3,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.80 : 8,210.70 = 2,359.20 : x
  2. Step 2: Convert to fraction form
    5,476.80/8,210.70 = 2,359.20/x
  3. Step 3: Cross multiply
    5,476.80x = 8,210.70 × 2,359.20
  4. Step 4: Simplify right side
    5,476.80x = 19,370,683.44
  5. Step 5: Solve for x
    x = 19,370,683.44/5,476.80
  6. Step 6: Final answer
    x = 3,536.86

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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.