Home / 5,801.32-8,005.80-3,148.57

Finding the Fourth Proportional to 5,801.32, 8,005.80 and 3,148.57

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Solution

The fourth proportional to 5,801.32, 8,005.80 and 3,148.57 is: 4,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.32 : 8,005.80 = 3,148.57 : x
  2. Step 2: Convert to fraction form
    5,801.32/8,005.80 = 3,148.57/x
  3. Step 3: Cross multiply
    5,801.32x = 8,005.80 × 3,148.57
  4. Step 4: Simplify right side
    5,801.32x = 25,206,821.71
  5. Step 5: Solve for x
    x = 25,206,821.71/5,801.32
  6. Step 6: Final answer
    x = 4,345.01

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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.