Home / 7,403.40-11,062.98-5,313.60

Finding the Fourth Proportional to 7,403.40, 11,062.98 and 5,313.60

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Solution

The fourth proportional to 7,403.40, 11,062.98 and 5,313.60 is: 7,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.40 : 11,062.98 = 5,313.60 : x
  2. Step 2: Convert to fraction form
    7,403.40/11,062.98 = 5,313.60/x
  3. Step 3: Cross multiply
    7,403.40x = 11,062.98 × 5,313.60
  4. Step 4: Simplify right side
    7,403.40x = 58,784,250.53
  5. Step 5: Solve for x
    x = 58,784,250.53/7,403.40
  6. Step 6: Final answer
    x = 7,940.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.