Home / 7,511.70-10,365.80-4,154.64

Finding the Fourth Proportional to 7,511.70, 10,365.80 and 4,154.64

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Solution

The fourth proportional to 7,511.70, 10,365.80 and 4,154.64 is: 5,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.70 : 10,365.80 = 4,154.64 : x
  2. Step 2: Convert to fraction form
    7,511.70/10,365.80 = 4,154.64/x
  3. Step 3: Cross multiply
    7,511.70x = 10,365.80 × 4,154.64
  4. Step 4: Simplify right side
    7,511.70x = 43,066,167.31
  5. Step 5: Solve for x
    x = 43,066,167.31/7,511.70
  6. Step 6: Final answer
    x = 5,733.21

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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.