Home / 7,617.79-10,512.34-4,260.61

Finding the Fourth Proportional to 7,617.79, 10,512.34 and 4,260.61

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Solution

The fourth proportional to 7,617.79, 10,512.34 and 4,260.61 is: 5,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.79 : 10,512.34 = 4,260.61 : x
  2. Step 2: Convert to fraction form
    7,617.79/10,512.34 = 4,260.61/x
  3. Step 3: Cross multiply
    7,617.79x = 10,512.34 × 4,260.61
  4. Step 4: Simplify right side
    7,617.79x = 44,788,980.93
  5. Step 5: Solve for x
    x = 44,788,980.93/7,617.79
  6. Step 6: Final answer
    x = 5,879.52

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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.