Home / 7,537.29-10,391.90-5,386.41

Finding the Fourth Proportional to 7,537.29, 10,391.90 and 5,386.41

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Solution

The fourth proportional to 7,537.29, 10,391.90 and 5,386.41 is: 7,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.29 : 10,391.90 = 5,386.41 : x
  2. Step 2: Convert to fraction form
    7,537.29/10,391.90 = 5,386.41/x
  3. Step 3: Cross multiply
    7,537.29x = 10,391.90 × 5,386.41
  4. Step 4: Simplify right side
    7,537.29x = 55,975,002.57
  5. Step 5: Solve for x
    x = 55,975,002.57/7,537.29
  6. Step 6: Final answer
    x = 7,426.41

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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.