Home / 7,385.85-10,189.46-4,513.10

Finding the Fourth Proportional to 7,385.85, 10,189.46 and 4,513.10

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Solution

The fourth proportional to 7,385.85, 10,189.46 and 4,513.10 is: 6,226.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.85 : 10,189.46 = 4,513.10 : x
  2. Step 2: Convert to fraction form
    7,385.85/10,189.46 = 4,513.10/x
  3. Step 3: Cross multiply
    7,385.85x = 10,189.46 × 4,513.10
  4. Step 4: Simplify right side
    7,385.85x = 45,986,012.26
  5. Step 5: Solve for x
    x = 45,986,012.26/7,385.85
  6. Step 6: Final answer
    x = 6,226.23

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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.