Home / 7,310.58-10,088.55-3,953.40

Finding the Fourth Proportional to 7,310.58, 10,088.55 and 3,953.40

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Solution

The fourth proportional to 7,310.58, 10,088.55 and 3,953.40 is: 5,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.58 : 10,088.55 = 3,953.40 : x
  2. Step 2: Convert to fraction form
    7,310.58/10,088.55 = 3,953.40/x
  3. Step 3: Cross multiply
    7,310.58x = 10,088.55 × 3,953.40
  4. Step 4: Simplify right side
    7,310.58x = 39,884,073.57
  5. Step 5: Solve for x
    x = 39,884,073.57/7,310.58
  6. Step 6: Final answer
    x = 5,455.66

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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.