Home / 4,102.05-6,152.60-1,140.72

Finding the Fourth Proportional to 4,102.05, 6,152.60 and 1,140.72

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Solution

The fourth proportional to 4,102.05, 6,152.60 and 1,140.72 is: 1,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.05 : 6,152.60 = 1,140.72 : x
  2. Step 2: Convert to fraction form
    4,102.05/6,152.60 = 1,140.72/x
  3. Step 3: Cross multiply
    4,102.05x = 6,152.60 × 1,140.72
  4. Step 4: Simplify right side
    4,102.05x = 7,018,388.17
  5. Step 5: Solve for x
    x = 7,018,388.17/4,102.05
  6. Step 6: Final answer
    x = 1,710.95

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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.