Home / 5,188.24-7,783.44-1,901.40

Finding the Fourth Proportional to 5,188.24, 7,783.44 and 1,901.40

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Solution

The fourth proportional to 5,188.24, 7,783.44 and 1,901.40 is: 2,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.24 : 7,783.44 = 1,901.40 : x
  2. Step 2: Convert to fraction form
    5,188.24/7,783.44 = 1,901.40/x
  3. Step 3: Cross multiply
    5,188.24x = 7,783.44 × 1,901.40
  4. Step 4: Simplify right side
    5,188.24x = 14,799,432.82
  5. Step 5: Solve for x
    x = 14,799,432.82/5,188.24
  6. Step 6: Final answer
    x = 2,852.50

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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.