Home / 4,220.02-6,330.72-1,587.73

Finding the Fourth Proportional to 4,220.02, 6,330.72 and 1,587.73

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Solution

The fourth proportional to 4,220.02, 6,330.72 and 1,587.73 is: 2,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.02 : 6,330.72 = 1,587.73 : x
  2. Step 2: Convert to fraction form
    4,220.02/6,330.72 = 1,587.73/x
  3. Step 3: Cross multiply
    4,220.02x = 6,330.72 × 1,587.73
  4. Step 4: Simplify right side
    4,220.02x = 10,051,474.07
  5. Step 5: Solve for x
    x = 10,051,474.07/4,220.02
  6. Step 6: Final answer
    x = 2,381.85

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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.