Home / 9,457.19-13,050.81-5,207.75

Finding the Fourth Proportional to 9,457.19, 13,050.81 and 5,207.75

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Solution

The fourth proportional to 9,457.19, 13,050.81 and 5,207.75 is: 7,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.19 : 13,050.81 = 5,207.75 : x
  2. Step 2: Convert to fraction form
    9,457.19/13,050.81 = 5,207.75/x
  3. Step 3: Cross multiply
    9,457.19x = 13,050.81 × 5,207.75
  4. Step 4: Simplify right side
    9,457.19x = 67,965,290.52
  5. Step 5: Solve for x
    x = 67,965,290.52/9,457.19
  6. Step 6: Final answer
    x = 7,186.63

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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.