Home / 4,740.30-7,104.45-1,814.70

Finding the Fourth Proportional to 4,740.30, 7,104.45 and 1,814.70

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Solution

The fourth proportional to 4,740.30, 7,104.45 and 1,814.70 is: 2,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.30 : 7,104.45 = 1,814.70 : x
  2. Step 2: Convert to fraction form
    4,740.30/7,104.45 = 1,814.70/x
  3. Step 3: Cross multiply
    4,740.30x = 7,104.45 × 1,814.70
  4. Step 4: Simplify right side
    4,740.30x = 12,892,445.42
  5. Step 5: Solve for x
    x = 12,892,445.42/4,740.30
  6. Step 6: Final answer
    x = 2,719.75

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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.