Home / 8,651.83-11,937.54-5,113.12

Finding the Fourth Proportional to 8,651.83, 11,937.54 and 5,113.12

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Solution

The fourth proportional to 8,651.83, 11,937.54 and 5,113.12 is: 7,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.83 : 11,937.54 = 5,113.12 : x
  2. Step 2: Convert to fraction form
    8,651.83/11,937.54 = 5,113.12/x
  3. Step 3: Cross multiply
    8,651.83x = 11,937.54 × 5,113.12
  4. Step 4: Simplify right side
    8,651.83x = 61,038,074.52
  5. Step 5: Solve for x
    x = 61,038,074.52/8,651.83
  6. Step 6: Final answer
    x = 7,054.93

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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.