Home / 7,887.39-10,885.23-4,743.51

Finding the Fourth Proportional to 7,887.39, 10,885.23 and 4,743.51

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Solution

The fourth proportional to 7,887.39, 10,885.23 and 4,743.51 is: 6,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.39 : 10,885.23 = 4,743.51 : x
  2. Step 2: Convert to fraction form
    7,887.39/10,885.23 = 4,743.51/x
  3. Step 3: Cross multiply
    7,887.39x = 10,885.23 × 4,743.51
  4. Step 4: Simplify right side
    7,887.39x = 51,634,197.36
  5. Step 5: Solve for x
    x = 51,634,197.36/7,887.39
  6. Step 6: Final answer
    x = 6,546.42

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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.