Home / 5,216.24-7,825.56-1,706.40

Finding the Fourth Proportional to 5,216.24, 7,825.56 and 1,706.40

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Solution

The fourth proportional to 5,216.24, 7,825.56 and 1,706.40 is: 2,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.24 : 7,825.56 = 1,706.40 : x
  2. Step 2: Convert to fraction form
    5,216.24/7,825.56 = 1,706.40/x
  3. Step 3: Cross multiply
    5,216.24x = 7,825.56 × 1,706.40
  4. Step 4: Simplify right side
    5,216.24x = 13,353,535.58
  5. Step 5: Solve for x
    x = 13,353,535.58/5,216.24
  6. Step 6: Final answer
    x = 2,560.00

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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.