Home / 8,139.93-11,233.04-4,603.15

Finding the Fourth Proportional to 8,139.93, 11,233.04 and 4,603.15

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Solution

The fourth proportional to 8,139.93, 11,233.04 and 4,603.15 is: 6,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.93 : 11,233.04 = 4,603.15 : x
  2. Step 2: Convert to fraction form
    8,139.93/11,233.04 = 4,603.15/x
  3. Step 3: Cross multiply
    8,139.93x = 11,233.04 × 4,603.15
  4. Step 4: Simplify right side
    8,139.93x = 51,707,368.08
  5. Step 5: Solve for x
    x = 51,707,368.08/8,139.93
  6. Step 6: Final answer
    x = 6,352.31

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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.