Home / 6,275.95-8,660.63-3,550.20

Finding the Fourth Proportional to 6,275.95, 8,660.63 and 3,550.20

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Solution

The fourth proportional to 6,275.95, 8,660.63 and 3,550.20 is: 4,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.95 : 8,660.63 = 3,550.20 : x
  2. Step 2: Convert to fraction form
    6,275.95/8,660.63 = 3,550.20/x
  3. Step 3: Cross multiply
    6,275.95x = 8,660.63 × 3,550.20
  4. Step 4: Simplify right side
    6,275.95x = 30,746,950.88
  5. Step 5: Solve for x
    x = 30,746,950.88/6,275.95
  6. Step 6: Final answer
    x = 4,899.17

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Double scale
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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.