Home / 7,363.12-10,162.49-4,219.30

Finding the Fourth Proportional to 7,363.12, 10,162.49 and 4,219.30

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Solution

The fourth proportional to 7,363.12, 10,162.49 and 4,219.30 is: 5,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.12 : 10,162.49 = 4,219.30 : x
  2. Step 2: Convert to fraction form
    7,363.12/10,162.49 = 4,219.30/x
  3. Step 3: Cross multiply
    7,363.12x = 10,162.49 × 4,219.30
  4. Step 4: Simplify right side
    7,363.12x = 42,878,594.06
  5. Step 5: Solve for x
    x = 42,878,594.06/7,363.12
  6. Step 6: Final answer
    x = 5,823.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.