Home / 5,870.86-8,809.66-2,175.64

Finding the Fourth Proportional to 5,870.86, 8,809.66 and 2,175.64

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Solution

The fourth proportional to 5,870.86, 8,809.66 and 2,175.64 is: 3,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.86 : 8,809.66 = 2,175.64 : x
  2. Step 2: Convert to fraction form
    5,870.86/8,809.66 = 2,175.64/x
  3. Step 3: Cross multiply
    5,870.86x = 8,809.66 × 2,175.64
  4. Step 4: Simplify right side
    5,870.86x = 19,166,648.68
  5. Step 5: Solve for x
    x = 19,166,648.68/5,870.86
  6. Step 6: Final answer
    x = 3,264.71

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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.