Home / 5,238.08-7,856.90-1,775.32

Finding the Fourth Proportional to 5,238.08, 7,856.90 and 1,775.32

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Solution

The fourth proportional to 5,238.08, 7,856.90 and 1,775.32 is: 2,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.08 : 7,856.90 = 1,775.32 : x
  2. Step 2: Convert to fraction form
    5,238.08/7,856.90 = 1,775.32/x
  3. Step 3: Cross multiply
    5,238.08x = 7,856.90 × 1,775.32
  4. Step 4: Simplify right side
    5,238.08x = 13,948,511.71
  5. Step 5: Solve for x
    x = 13,948,511.71/5,238.08
  6. Step 6: Final answer
    x = 2,662.91

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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.