Home / 8,328.29-11,493.87-4,971.07

Finding the Fourth Proportional to 8,328.29, 11,493.87 and 4,971.07

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Solution

The fourth proportional to 8,328.29, 11,493.87 and 4,971.07 is: 6,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.29 : 11,493.87 = 4,971.07 : x
  2. Step 2: Convert to fraction form
    8,328.29/11,493.87 = 4,971.07/x
  3. Step 3: Cross multiply
    8,328.29x = 11,493.87 × 4,971.07
  4. Step 4: Simplify right side
    8,328.29x = 57,136,828.07
  5. Step 5: Solve for x
    x = 57,136,828.07/8,328.29
  6. Step 6: Final answer
    x = 6,860.58

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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.