Home / 5,872.80-8,809.51-1,490.29

Finding the Fourth Proportional to 5,872.80, 8,809.51 and 1,490.29

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Solution

The fourth proportional to 5,872.80, 8,809.51 and 1,490.29 is: 2,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.80 : 8,809.51 = 1,490.29 : x
  2. Step 2: Convert to fraction form
    5,872.80/8,809.51 = 1,490.29/x
  3. Step 3: Cross multiply
    5,872.80x = 8,809.51 × 1,490.29
  4. Step 4: Simplify right side
    5,872.80x = 13,128,724.66
  5. Step 5: Solve for x
    x = 13,128,724.66/5,872.80
  6. Step 6: Final answer
    x = 2,235.51

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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.