Home / 7,310.36-10,088.31-3,953.18

Finding the Fourth Proportional to 7,310.36, 10,088.31 and 3,953.18

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Solution

The fourth proportional to 7,310.36, 10,088.31 and 3,953.18 is: 5,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.36 : 10,088.31 = 3,953.18 : x
  2. Step 2: Convert to fraction form
    7,310.36/10,088.31 = 3,953.18/x
  3. Step 3: Cross multiply
    7,310.36x = 10,088.31 × 3,953.18
  4. Step 4: Simplify right side
    7,310.36x = 39,880,930.55
  5. Step 5: Solve for x
    x = 39,880,930.55/7,310.36
  6. Step 6: Final answer
    x = 5,455.40

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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.