Home / 8,534.89-12,803.55-2,690.88

Finding the Fourth Proportional to 8,534.89, 12,803.55 and 2,690.88

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Solution

The fourth proportional to 8,534.89, 12,803.55 and 2,690.88 is: 4,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.89 : 12,803.55 = 2,690.88 : x
  2. Step 2: Convert to fraction form
    8,534.89/12,803.55 = 2,690.88/x
  3. Step 3: Cross multiply
    8,534.89x = 12,803.55 × 2,690.88
  4. Step 4: Simplify right side
    8,534.89x = 34,452,816.62
  5. Step 5: Solve for x
    x = 34,452,816.62/8,534.89
  6. Step 6: Final answer
    x = 4,036.70

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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.