Home / 8,492.36-11,719.40-4,715.55

Finding the Fourth Proportional to 8,492.36, 11,719.40 and 4,715.55

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Solution

The fourth proportional to 8,492.36, 11,719.40 and 4,715.55 is: 6,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.36 : 11,719.40 = 4,715.55 : x
  2. Step 2: Convert to fraction form
    8,492.36/11,719.40 = 4,715.55/x
  3. Step 3: Cross multiply
    8,492.36x = 11,719.40 × 4,715.55
  4. Step 4: Simplify right side
    8,492.36x = 55,263,393.09
  5. Step 5: Solve for x
    x = 55,263,393.09/8,492.36
  6. Step 6: Final answer
    x = 6,507.43

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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.