Home / 7,457.99-11,230.34-5,392.08

Finding the Fourth Proportional to 7,457.99, 11,230.34 and 5,392.08

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Solution

The fourth proportional to 7,457.99, 11,230.34 and 5,392.08 is: 8,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.99 : 11,230.34 = 5,392.08 : x
  2. Step 2: Convert to fraction form
    7,457.99/11,230.34 = 5,392.08/x
  3. Step 3: Cross multiply
    7,457.99x = 11,230.34 × 5,392.08
  4. Step 4: Simplify right side
    7,457.99x = 60,554,864.75
  5. Step 5: Solve for x
    x = 60,554,864.75/7,457.99
  6. Step 6: Final answer
    x = 8,119.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.