Home / 7,513.10-11,269.67-3,130.50

Finding the Fourth Proportional to 7,513.10, 11,269.67 and 3,130.50

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Solution

The fourth proportional to 7,513.10, 11,269.67 and 3,130.50 is: 4,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.10 : 11,269.67 = 3,130.50 : x
  2. Step 2: Convert to fraction form
    7,513.10/11,269.67 = 3,130.50/x
  3. Step 3: Cross multiply
    7,513.10x = 11,269.67 × 3,130.50
  4. Step 4: Simplify right side
    7,513.10x = 35,279,686.28
  5. Step 5: Solve for x
    x = 35,279,686.28/7,513.10
  6. Step 6: Final answer
    x = 4,695.76

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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.