Home / 7,159.88-10,730.10-5,317.94

Finding the Fourth Proportional to 7,159.88, 10,730.10 and 5,317.94

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Solution

The fourth proportional to 7,159.88, 10,730.10 and 5,317.94 is: 7,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.88 : 10,730.10 = 5,317.94 : x
  2. Step 2: Convert to fraction form
    7,159.88/10,730.10 = 5,317.94/x
  3. Step 3: Cross multiply
    7,159.88x = 10,730.10 × 5,317.94
  4. Step 4: Simplify right side
    7,159.88x = 57,062,027.99
  5. Step 5: Solve for x
    x = 57,062,027.99/7,159.88
  6. Step 6: Final answer
    x = 7,969.69

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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.