Home / 4,047.12-6,070.80-3,398.40

Finding the Fourth Proportional to 4,047.12, 6,070.80 and 3,398.40

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Solution

The fourth proportional to 4,047.12, 6,070.80 and 3,398.40 is: 5,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.12 : 6,070.80 = 3,398.40 : x
  2. Step 2: Convert to fraction form
    4,047.12/6,070.80 = 3,398.40/x
  3. Step 3: Cross multiply
    4,047.12x = 6,070.80 × 3,398.40
  4. Step 4: Simplify right side
    4,047.12x = 20,631,006.72
  5. Step 5: Solve for x
    x = 20,631,006.72/4,047.12
  6. Step 6: Final answer
    x = 5,097.70

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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.