Home / 7,788.36-10,747.51-4,251.50

Finding the Fourth Proportional to 7,788.36, 10,747.51 and 4,251.50

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Solution

The fourth proportional to 7,788.36, 10,747.51 and 4,251.50 is: 5,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.36 : 10,747.51 = 4,251.50 : x
  2. Step 2: Convert to fraction form
    7,788.36/10,747.51 = 4,251.50/x
  3. Step 3: Cross multiply
    7,788.36x = 10,747.51 × 4,251.50
  4. Step 4: Simplify right side
    7,788.36x = 45,693,038.77
  5. Step 5: Solve for x
    x = 45,693,038.77/7,788.36
  6. Step 6: Final answer
    x = 5,866.84

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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.