Home / 7,403.81-10,217.75-4,260.20

Finding the Fourth Proportional to 7,403.81, 10,217.75 and 4,260.20

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Solution

The fourth proportional to 7,403.81, 10,217.75 and 4,260.20 is: 5,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.81 : 10,217.75 = 4,260.20 : x
  2. Step 2: Convert to fraction form
    7,403.81/10,217.75 = 4,260.20/x
  3. Step 3: Cross multiply
    7,403.81x = 10,217.75 × 4,260.20
  4. Step 4: Simplify right side
    7,403.81x = 43,529,586.16
  5. Step 5: Solve for x
    x = 43,529,586.16/7,403.81
  6. Step 6: Final answer
    x = 5,879.35

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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.