Home / 8,507.78-11,741.09-4,730.93

Finding the Fourth Proportional to 8,507.78, 11,741.09 and 4,730.93

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Solution

The fourth proportional to 8,507.78, 11,741.09 and 4,730.93 is: 6,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.78 : 11,741.09 = 4,730.93 : x
  2. Step 2: Convert to fraction form
    8,507.78/11,741.09 = 4,730.93/x
  3. Step 3: Cross multiply
    8,507.78x = 11,741.09 × 4,730.93
  4. Step 4: Simplify right side
    8,507.78x = 55,546,192.55
  5. Step 5: Solve for x
    x = 55,546,192.55/8,507.78
  6. Step 6: Final answer
    x = 6,528.87

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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.