Home / 7,613.50-11,417.22-2,930.90

Finding the Fourth Proportional to 7,613.50, 11,417.22 and 2,930.90

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Solution

The fourth proportional to 7,613.50, 11,417.22 and 2,930.90 is: 4,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.50 : 11,417.22 = 2,930.90 : x
  2. Step 2: Convert to fraction form
    7,613.50/11,417.22 = 2,930.90/x
  3. Step 3: Cross multiply
    7,613.50x = 11,417.22 × 2,930.90
  4. Step 4: Simplify right side
    7,613.50x = 33,462,730.10
  5. Step 5: Solve for x
    x = 33,462,730.10/7,613.50
  6. Step 6: Final answer
    x = 4,395.18

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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.