Home / 9,271.53-12,794.76-5,079.78

Finding the Fourth Proportional to 9,271.53, 12,794.76 and 5,079.78

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Solution

The fourth proportional to 9,271.53, 12,794.76 and 5,079.78 is: 7,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.53 : 12,794.76 = 5,079.78 : x
  2. Step 2: Convert to fraction form
    9,271.53/12,794.76 = 5,079.78/x
  3. Step 3: Cross multiply
    9,271.53x = 12,794.76 × 5,079.78
  4. Step 4: Simplify right side
    9,271.53x = 64,994,565.95
  5. Step 5: Solve for x
    x = 64,994,565.95/9,271.53
  6. Step 6: Final answer
    x = 7,010.12

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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.