Home / 6,345.08-8,756.11-3,512.40

Finding the Fourth Proportional to 6,345.08, 8,756.11 and 3,512.40

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Solution

The fourth proportional to 6,345.08, 8,756.11 and 3,512.40 is: 4,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.08 : 8,756.11 = 3,512.40 : x
  2. Step 2: Convert to fraction form
    6,345.08/8,756.11 = 3,512.40/x
  3. Step 3: Cross multiply
    6,345.08x = 8,756.11 × 3,512.40
  4. Step 4: Simplify right side
    6,345.08x = 30,754,899.42
  5. Step 5: Solve for x
    x = 30,754,899.42/6,345.08
  6. Step 6: Final answer
    x = 4,847.04

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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.