Home / 7,537.81-10,391.42-5,412.66

Finding the Fourth Proportional to 7,537.81, 10,391.42 and 5,412.66

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Solution

The fourth proportional to 7,537.81, 10,391.42 and 5,412.66 is: 7,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.81 : 10,391.42 = 5,412.66 : x
  2. Step 2: Convert to fraction form
    7,537.81/10,391.42 = 5,412.66/x
  3. Step 3: Cross multiply
    7,537.81x = 10,391.42 × 5,412.66
  4. Step 4: Simplify right side
    7,537.81x = 56,245,196.31
  5. Step 5: Solve for x
    x = 56,245,196.31/7,537.81
  6. Step 6: Final answer
    x = 7,461.74

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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.