Home / 7,637.38-11,457.51-5,440.66

Finding the Fourth Proportional to 7,637.38, 11,457.51 and 5,440.66

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Solution

The fourth proportional to 7,637.38, 11,457.51 and 5,440.66 is: 8,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.38 : 11,457.51 = 5,440.66 : x
  2. Step 2: Convert to fraction form
    7,637.38/11,457.51 = 5,440.66/x
  3. Step 3: Cross multiply
    7,637.38x = 11,457.51 × 5,440.66
  4. Step 4: Simplify right side
    7,637.38x = 62,336,416.36
  5. Step 5: Solve for x
    x = 62,336,416.36/7,637.38
  6. Step 6: Final answer
    x = 8,162.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.