Home / 7,611.06-11,417.72-2,345.63

Finding the Fourth Proportional to 7,611.06, 11,417.72 and 2,345.63

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Solution

The fourth proportional to 7,611.06, 11,417.72 and 2,345.63 is: 3,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.06 : 11,417.72 = 2,345.63 : x
  2. Step 2: Convert to fraction form
    7,611.06/11,417.72 = 2,345.63/x
  3. Step 3: Cross multiply
    7,611.06x = 11,417.72 × 2,345.63
  4. Step 4: Simplify right side
    7,611.06x = 26,781,718.02
  5. Step 5: Solve for x
    x = 26,781,718.02/7,611.06
  6. Step 6: Final answer
    x = 3,518.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.