Home / 6,403.12-9,607.65-2,706.21

Finding the Fourth Proportional to 6,403.12, 9,607.65 and 2,706.21

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Solution

The fourth proportional to 6,403.12, 9,607.65 and 2,706.21 is: 4,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.12 : 9,607.65 = 2,706.21 : x
  2. Step 2: Convert to fraction form
    6,403.12/9,607.65 = 2,706.21/x
  3. Step 3: Cross multiply
    6,403.12x = 9,607.65 × 2,706.21
  4. Step 4: Simplify right side
    6,403.12x = 26,000,308.36
  5. Step 5: Solve for x
    x = 26,000,308.36/6,403.12
  6. Step 6: Final answer
    x = 4,060.57

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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.