Home / 8,293.12-11,440.81-5,603.47

Finding the Fourth Proportional to 8,293.12, 11,440.81 and 5,603.47

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Solution

The fourth proportional to 8,293.12, 11,440.81 and 5,603.47 is: 7,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.12 : 11,440.81 = 5,603.47 : x
  2. Step 2: Convert to fraction form
    8,293.12/11,440.81 = 5,603.47/x
  3. Step 3: Cross multiply
    8,293.12x = 11,440.81 × 5,603.47
  4. Step 4: Simplify right side
    8,293.12x = 64,108,207.59
  5. Step 5: Solve for x
    x = 64,108,207.59/8,293.12
  6. Step 6: Final answer
    x = 7,730.29

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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.