Home / 6,138.02-8,461.95-4,145.42

Finding the Fourth Proportional to 6,138.02, 8,461.95 and 4,145.42

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Solution

The fourth proportional to 6,138.02, 8,461.95 and 4,145.42 is: 5,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.02 : 8,461.95 = 4,145.42 : x
  2. Step 2: Convert to fraction form
    6,138.02/8,461.95 = 4,145.42/x
  3. Step 3: Cross multiply
    6,138.02x = 8,461.95 × 4,145.42
  4. Step 4: Simplify right side
    6,138.02x = 35,078,294.46
  5. Step 5: Solve for x
    x = 35,078,294.46/6,138.02
  6. Step 6: Final answer
    x = 5,714.92

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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.