Home / 7,346.99-10,130.33-5,110.78

Finding the Fourth Proportional to 7,346.99, 10,130.33 and 5,110.78

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Solution

The fourth proportional to 7,346.99, 10,130.33 and 5,110.78 is: 7,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.99 : 10,130.33 = 5,110.78 : x
  2. Step 2: Convert to fraction form
    7,346.99/10,130.33 = 5,110.78/x
  3. Step 3: Cross multiply
    7,346.99x = 10,130.33 × 5,110.78
  4. Step 4: Simplify right side
    7,346.99x = 51,773,887.96
  5. Step 5: Solve for x
    x = 51,773,887.96/7,346.99
  6. Step 6: Final answer
    x = 7,046.95

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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.