Home / 7,317.66-10,098.40-4,130.99

Finding the Fourth Proportional to 7,317.66, 10,098.40 and 4,130.99

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Solution

The fourth proportional to 7,317.66, 10,098.40 and 4,130.99 is: 5,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.66 : 10,098.40 = 4,130.99 : x
  2. Step 2: Convert to fraction form
    7,317.66/10,098.40 = 4,130.99/x
  3. Step 3: Cross multiply
    7,317.66x = 10,098.40 × 4,130.99
  4. Step 4: Simplify right side
    7,317.66x = 41,716,338.92
  5. Step 5: Solve for x
    x = 41,716,338.92/7,317.66
  6. Step 6: Final answer
    x = 5,700.78

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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.