Home / 5,254.87-7,885.36-1,970.25

Finding the Fourth Proportional to 5,254.87, 7,885.36 and 1,970.25

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Solution

The fourth proportional to 5,254.87, 7,885.36 and 1,970.25 is: 2,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.87 : 7,885.36 = 1,970.25 : x
  2. Step 2: Convert to fraction form
    5,254.87/7,885.36 = 1,970.25/x
  3. Step 3: Cross multiply
    5,254.87x = 7,885.36 × 1,970.25
  4. Step 4: Simplify right side
    5,254.87x = 15,536,130.54
  5. Step 5: Solve for x
    x = 15,536,130.54/5,254.87
  6. Step 6: Final answer
    x = 2,956.52

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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.