Home / 6,278.08-9,417.20-1,895.20

Finding the Fourth Proportional to 6,278.08, 9,417.20 and 1,895.20

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Solution

The fourth proportional to 6,278.08, 9,417.20 and 1,895.20 is: 2,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.08 : 9,417.20 = 1,895.20 : x
  2. Step 2: Convert to fraction form
    6,278.08/9,417.20 = 1,895.20/x
  3. Step 3: Cross multiply
    6,278.08x = 9,417.20 × 1,895.20
  4. Step 4: Simplify right side
    6,278.08x = 17,847,477.44
  5. Step 5: Solve for x
    x = 17,847,477.44/6,278.08
  6. Step 6: Final answer
    x = 2,842.82

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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.