Home / 8,643.26-11,927.85-5,106.46

Finding the Fourth Proportional to 8,643.26, 11,927.85 and 5,106.46

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Solution

The fourth proportional to 8,643.26, 11,927.85 and 5,106.46 is: 7,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643.26 : 11,927.85 = 5,106.46 : x
  2. Step 2: Convert to fraction form
    8,643.26/11,927.85 = 5,106.46/x
  3. Step 3: Cross multiply
    8,643.26x = 11,927.85 × 5,106.46
  4. Step 4: Simplify right side
    8,643.26x = 60,909,088.91
  5. Step 5: Solve for x
    x = 60,909,088.91/8,643.26
  6. Step 6: Final answer
    x = 7,047.00

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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.