Home / 4,030.12-6,045.20-1,108.40

Finding the Fourth Proportional to 4,030.12, 6,045.20 and 1,108.40

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Solution

The fourth proportional to 4,030.12, 6,045.20 and 1,108.40 is: 1,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.12 : 6,045.20 = 1,108.40 : x
  2. Step 2: Convert to fraction form
    4,030.12/6,045.20 = 1,108.40/x
  3. Step 3: Cross multiply
    4,030.12x = 6,045.20 × 1,108.40
  4. Step 4: Simplify right side
    4,030.12x = 6,700,499.68
  5. Step 5: Solve for x
    x = 6,700,499.68/4,030.12
  6. Step 6: Final answer
    x = 1,662.61

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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.