Home / 4,725.50-7,088.54-1,438.84

Finding the Fourth Proportional to 4,725.50, 7,088.54 and 1,438.84

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Solution

The fourth proportional to 4,725.50, 7,088.54 and 1,438.84 is: 2,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.50 : 7,088.54 = 1,438.84 : x
  2. Step 2: Convert to fraction form
    4,725.50/7,088.54 = 1,438.84/x
  3. Step 3: Cross multiply
    4,725.50x = 7,088.54 × 1,438.84
  4. Step 4: Simplify right side
    4,725.50x = 10,199,274.89
  5. Step 5: Solve for x
    x = 10,199,274.89/4,725.50
  6. Step 6: Final answer
    x = 2,158.35

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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.