Home / 9,430.61-14,147.96-2,857.30

Finding the Fourth Proportional to 9,430.61, 14,147.96 and 2,857.30

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Solution

The fourth proportional to 9,430.61, 14,147.96 and 2,857.30 is: 4,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.61 : 14,147.96 = 2,857.30 : x
  2. Step 2: Convert to fraction form
    9,430.61/14,147.96 = 2,857.30/x
  3. Step 3: Cross multiply
    9,430.61x = 14,147.96 × 2,857.30
  4. Step 4: Simplify right side
    9,430.61x = 40,424,916.45
  5. Step 5: Solve for x
    x = 40,424,916.45/9,430.61
  6. Step 6: Final answer
    x = 4,286.57

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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.