Home / 6,345.58-8,756.90-3,551.08

Finding the Fourth Proportional to 6,345.58, 8,756.90 and 3,551.08

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Solution

The fourth proportional to 6,345.58, 8,756.90 and 3,551.08 is: 4,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.58 : 8,756.90 = 3,551.08 : x
  2. Step 2: Convert to fraction form
    6,345.58/8,756.90 = 3,551.08/x
  3. Step 3: Cross multiply
    6,345.58x = 8,756.90 × 3,551.08
  4. Step 4: Simplify right side
    6,345.58x = 31,096,452.45
  5. Step 5: Solve for x
    x = 31,096,452.45/6,345.58
  6. Step 6: Final answer
    x = 4,900.49

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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.