Home / 8,476.52-11,707.43-5,639.00

Finding the Fourth Proportional to 8,476.52, 11,707.43 and 5,639.00

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Solution

The fourth proportional to 8,476.52, 11,707.43 and 5,639.00 is: 7,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.52 : 11,707.43 = 5,639.00 : x
  2. Step 2: Convert to fraction form
    8,476.52/11,707.43 = 5,639.00/x
  3. Step 3: Cross multiply
    8,476.52x = 11,707.43 × 5,639.00
  4. Step 4: Simplify right side
    8,476.52x = 66,018,111.04
  5. Step 5: Solve for x
    x = 66,018,111.04/8,476.52
  6. Step 6: Final answer
    x = 7,788.36

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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.