Home / 7,271.86-10,886.26-4,489.58

Finding the Fourth Proportional to 7,271.86, 10,886.26 and 4,489.58

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Solution

The fourth proportional to 7,271.86, 10,886.26 and 4,489.58 is: 6,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.86 : 10,886.26 = 4,489.58 : x
  2. Step 2: Convert to fraction form
    7,271.86/10,886.26 = 4,489.58/x
  3. Step 3: Cross multiply
    7,271.86x = 10,886.26 × 4,489.58
  4. Step 4: Simplify right side
    7,271.86x = 48,874,751.16
  5. Step 5: Solve for x
    x = 48,874,751.16/7,271.86
  6. Step 6: Final answer
    x = 6,721.08

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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.