Home / 4,628.15-6,942.17-1,118.13

Finding the Fourth Proportional to 4,628.15, 6,942.17 and 1,118.13

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Solution

The fourth proportional to 4,628.15, 6,942.17 and 1,118.13 is: 1,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.15 : 6,942.17 = 1,118.13 : x
  2. Step 2: Convert to fraction form
    4,628.15/6,942.17 = 1,118.13/x
  3. Step 3: Cross multiply
    4,628.15x = 6,942.17 × 1,118.13
  4. Step 4: Simplify right side
    4,628.15x = 7,762,242.95
  5. Step 5: Solve for x
    x = 7,762,242.95/4,628.15
  6. Step 6: Final answer
    x = 1,677.18

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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.