Home / 4,725.13-7,088.10-1,438.25

Finding the Fourth Proportional to 4,725.13, 7,088.10 and 1,438.25

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Solution

The fourth proportional to 4,725.13, 7,088.10 and 1,438.25 is: 2,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.13 : 7,088.10 = 1,438.25 : x
  2. Step 2: Convert to fraction form
    4,725.13/7,088.10 = 1,438.25/x
  3. Step 3: Cross multiply
    4,725.13x = 7,088.10 × 1,438.25
  4. Step 4: Simplify right side
    4,725.13x = 10,194,452.63
  5. Step 5: Solve for x
    x = 10,194,452.63/4,725.13
  6. Step 6: Final answer
    x = 2,157.50

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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.