Home / 5,725.75-7,898.63-3,570.53

Finding the Fourth Proportional to 5,725.75, 7,898.63 and 3,570.53

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Solution

The fourth proportional to 5,725.75, 7,898.63 and 3,570.53 is: 4,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.75 : 7,898.63 = 3,570.53 : x
  2. Step 2: Convert to fraction form
    5,725.75/7,898.63 = 3,570.53/x
  3. Step 3: Cross multiply
    5,725.75x = 7,898.63 × 3,570.53
  4. Step 4: Simplify right side
    5,725.75x = 28,202,295.37
  5. Step 5: Solve for x
    x = 28,202,295.37/5,725.75
  6. Step 6: Final answer
    x = 4,925.52

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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.