Home / 6,285.83-8,674.21-3,491.51

Finding the Fourth Proportional to 6,285.83, 8,674.21 and 3,491.51

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Solution

The fourth proportional to 6,285.83, 8,674.21 and 3,491.51 is: 4,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.83 : 8,674.21 = 3,491.51 : x
  2. Step 2: Convert to fraction form
    6,285.83/8,674.21 = 3,491.51/x
  3. Step 3: Cross multiply
    6,285.83x = 8,674.21 × 3,491.51
  4. Step 4: Simplify right side
    6,285.83x = 30,286,117.01
  5. Step 5: Solve for x
    x = 30,286,117.01/6,285.83
  6. Step 6: Final answer
    x = 4,818.16

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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.