Home / 4,818.08-7,231.20-1,898.40

Finding the Fourth Proportional to 4,818.08, 7,231.20 and 1,898.40

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Solution

The fourth proportional to 4,818.08, 7,231.20 and 1,898.40 is: 2,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.08 : 7,231.20 = 1,898.40 : x
  2. Step 2: Convert to fraction form
    4,818.08/7,231.20 = 1,898.40/x
  3. Step 3: Cross multiply
    4,818.08x = 7,231.20 × 1,898.40
  4. Step 4: Simplify right side
    4,818.08x = 13,727,710.08
  5. Step 5: Solve for x
    x = 13,727,710.08/4,818.08
  6. Step 6: Final answer
    x = 2,849.21

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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.