Home / 7,656.72-10,567.42-4,674.28

Finding the Fourth Proportional to 7,656.72, 10,567.42 and 4,674.28

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Solution

The fourth proportional to 7,656.72, 10,567.42 and 4,674.28 is: 6,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.72 : 10,567.42 = 4,674.28 : x
  2. Step 2: Convert to fraction form
    7,656.72/10,567.42 = 4,674.28/x
  3. Step 3: Cross multiply
    7,656.72x = 10,567.42 × 4,674.28
  4. Step 4: Simplify right side
    7,656.72x = 49,395,079.96
  5. Step 5: Solve for x
    x = 49,395,079.96/7,656.72
  6. Step 6: Final answer
    x = 6,451.21

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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.